16161511516260 has 96 divisors (see below), whose sum is σ = 49960843656192. Its totient is φ = 3870738049920.

The previous prime is 16161511516259. The next prime is 16161511516261. The reversal of 16161511516260 is 6261511516161.

It is an interprime number because it is at equal distance from previous prime (16161511516259) and next prime (16161511516261).

It is a super-2 number, since 2×16161511516260² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16161511516261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147458104 + ... + 147567663.

It is an arithmetic number, because the mean of its divisors is an integer number (520425454752).

Almost surely, 2^{16161511516260} is an apocalyptic number.

16161511516260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16161511516260 is an abundant number, since it is smaller than the sum of its proper divisors (33799332139932).

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

16161511516260 is a wasteful number, since it uses less digits than its factorization.

16161511516260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295025873 (or 295025871 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

Subtracting from 16161511516260 its reverse (6261511516161), we obtain a palindrome (9900000000099).

The spelling of 16161511516260 in words is "sixteen trillion, one hundred sixty-one billion, five hundred eleven million, five hundred sixteen thousand, two hundred sixty".