16516265264 has 40 divisors (see below), whose sum is σ = 32277934080. Its totient is φ = 8186742848.

The previous prime is 16516265251. The next prime is 16516265273. The reversal of 16516265264 is 46256261561.

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, 1015307 + ... + 1031445.

It is an arithmetic number, because the mean of its divisors is an integer number (806948352).

Almost surely, 2^16516265264 is an apocalyptic number.

It is an amenable number.

16516265264 is a deficient number, since it is larger than the sum of its proper divisors (15761668816).

16516265264 is a wasteful number, since it uses less digits than its factorization.

16516265264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16697 (or 16691 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 16516265264 in words is "sixteen billion, five hundred sixteen million, two hundred sixty-five thousand, two hundred sixty-four".