16156465652 has 12 divisors (see below), whose sum is σ = 28417338180. Its totient is φ = 8037226176.

The previous prime is 16156465609. The next prime is 16156465727. The reversal of 16156465652 is 25656465161.

It can be written as a sum of positive squares in 2 ways, for example, as 10046854756 + 6109610896 = 100234^2 + 78164^2 .

It is a super-2 number, since 2×16156465652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16156465597 and 16156465606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250777 + ... + 10252352.

It is an arithmetic number, because the mean of its divisors is an integer number (2368111515).

Almost surely, 2^16156465652 is an apocalyptic number.

It is an amenable number.

16156465652 is a deficient number, since it is larger than the sum of its proper divisors (12260872528).

16156465652 is a wasteful number, since it uses less digits than its factorization.

16156465652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20503330 (or 20503328 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 16156465652 in words is "sixteen billion, one hundred fifty-six million, four hundred sixty-five thousand, six hundred fifty-two".