16111642052 has 36 divisors (see below), whose sum is σ = 30843346128. Its totient is φ = 7303346400.

The previous prime is 16111642049. The next prime is 16111642073. The reversal of 16111642052 is 25024611161.

It is a super-2 number, since 2×16111642052² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9350063 + ... + 9351785.

Almost surely, 2^16111642052 is an apocalyptic number.

It is an amenable number.

16111642052 is a deficient number, since it is larger than the sum of its proper divisors (14731704076).

16111642052 is a wasteful number, since it uses less digits than its factorization.

16111642052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 16111642052 in words is "sixteen billion, one hundred eleven million, six hundred forty-two thousand, fifty-two".