16145616016 has 20 divisors (see below), whose sum is σ = 32928559600. Its totient is φ = 7647923232.

The previous prime is 16145616007. The next prime is 16145616077. The reversal of 16145616016 is 61061654161.

It is a super-2 number, since 2×16145616016² (a number of 21 digits) contains 22 as substring.

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, 26554986 + ... + 26555593.

It is an arithmetic number, because the mean of its divisors is an integer number (1646427980).

Almost surely, 2^16145616016 is an apocalyptic number.

16145616016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16145616016 is an abundant number, since it is smaller than the sum of its proper divisors (16782943584).

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

16145616016 is a wasteful number, since it uses less digits than its factorization.

16145616016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53110606 (or 53110600 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16145616016 in words is "sixteen billion, one hundred forty-five million, six hundred sixteen thousand, sixteen".