16552602123 has 32 divisors (see below), whose sum is σ = 22742899200. Its totient is φ = 10702137600.

The previous prime is 16552602089. The next prime is 16552602127. The reversal of 16552602123 is 32120625561.

It is a de Polignac number, because none of the positive numbers 2^k-16552602123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16552602127) 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, 26232018 + ... + 26232648.

It is an arithmetic number, because the mean of its divisors is an integer number (710715600).

Almost surely, 2^16552602123 is an apocalyptic number.

16552602123 is a deficient number, since it is larger than the sum of its proper divisors (6190297077).

16552602123 is a wasteful number, since it uses less digits than its factorization.

16552602123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 16552602123 in words is "sixteen billion, five hundred fifty-two million, six hundred two thousand, one hundred twenty-three".