1616354357250 has 128 divisors (see below), whose sum is σ = 4075386771456. Its totient is φ = 426654820800.

The previous prime is 1616354357249. The next prime is 1616354357251. The reversal of 1616354357250 is 527534536161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1616354357249) and next prime (1616354357251).

It is a super-2 number, since 2×1616354357250² (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 1616354357250.

It is not an unprimeable number, because it can be changed into a prime (1616354357251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309229137 + ... + 309234363.

It is an arithmetic number, because the mean of its divisors is an integer number (31838959152).

Almost surely, 2^{1616354357250} is an apocalyptic number.

1616354357250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616354357250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037693385728).

1616354357250 is an abundant number, since it is smaller than the sum of its proper divisors (2459032414206).

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

1616354357250 is a wasteful number, since it uses less digits than its factorization.

1616354357250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353 (or 9343 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 1616354357250 in words is "one trillion, six hundred sixteen billion, three hundred fifty-four million, three hundred fifty-seven thousand, two hundred fifty".