1616354026434 has 192 divisors, whose sum is σ = 4207082302080. Its totient is φ = 458643669120.

The previous prime is 1616354026433. The next prime is 1616354026439. The reversal of 1616354026434 is 4346204536161.

1616354026434 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 354 + 0 + 264 + 34 = 666.

It is a super-2 number, since 2×1616354026434² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616354026434.

It is not an unprimeable number, because it can be changed into a prime (1616354026433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 678853924 + ... + 678856304.

It is an arithmetic number, because the mean of its divisors is an integer number (21911886990).

Almost surely, 2^{1616354026434} is an apocalyptic number.

1616354026434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616354026434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103541151040).

1616354026434 is an abundant number, since it is smaller than the sum of its proper divisors (2590728275646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616354026434 is a wasteful number, since it uses less digits than its factorization.

1616354026434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 1616354026434 in words is "one trillion, six hundred sixteen billion, three hundred fifty-four million, twenty-six thousand, four hundred thirty-four".