16205806264 has 16 divisors (see below), whose sum is σ = 31366077120. Its totient is φ = 7841519040.

The previous prime is 16205806261. The next prime is 16205806321. The reversal of 16205806264 is 46260850261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205806261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32672749 + ... + 32673244.

It is an arithmetic number, because the mean of its divisors is an integer number (1960379820).

Almost surely, 2^16205806264 is an apocalyptic number.

It is an amenable number.

16205806264 is a deficient number, since it is larger than the sum of its proper divisors (15160270856).

16205806264 is a wasteful number, since it uses less digits than its factorization.

16205806264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65346030 (or 65346026 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 16205806264 in words is "sixteen billion, two hundred five million, eight hundred six thousand, two hundred sixty-four".