16506053356 has 24 divisors (see below), whose sum is σ = 31174219440. Its totient is φ = 7601854272.

The previous prime is 16506053309. The next prime is 16506053363. The reversal of 16506053356 is 65335060561.

It is a super-2 number, since 2×16506053356² (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 7 ways as a sum of consecutive naturals, for example, 315571 + ... + 364138.

It is an arithmetic number, because the mean of its divisors is an integer number (1298925810).

Almost surely, 2^16506053356 is an apocalyptic number.

It is an amenable number.

16506053356 is a deficient number, since it is larger than the sum of its proper divisors (14668166084).

16506053356 is a wasteful number, since it uses less digits than its factorization.

16506053356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680193 (or 680191 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 16506053356 in words is "sixteen billion, five hundred six million, fifty-three thousand, three hundred fifty-six".