1616855409348 has 96 divisors (see below), whose sum is σ = 4132558725120. Its totient is φ = 490433560320.

The previous prime is 1616855409347. The next prime is 1616855409383. The reversal of 1616855409348 is 8439045586161.

It is a super-2 number, since 2×1616855409348² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616855409291 and 1616855409300.

It is not an unprimeable number, because it can be changed into a prime (1616855409343) 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 31 ways as a sum of consecutive naturals, for example, 1096665 + ... + 2106272.

It is an arithmetic number, because the mean of its divisors is an integer number (43047486720).

Almost surely, 2^{1616855409348} is an apocalyptic number.

It is an amenable number.

1616855409348 is an abundant number, since it is smaller than the sum of its proper divisors (2515703315772).

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

1616855409348 is a wasteful number, since it uses less digits than its factorization.

1616855409348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203057 (or 3203055 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1616855409348 in words is "one trillion, six hundred sixteen billion, eight hundred fifty-five million, four hundred nine thousand, three hundred forty-eight".