16764235664 has 20 divisors (see below), whose sum is σ = 35433498480. Its totient is φ = 7620107040.

The previous prime is 16764235651. The next prime is 16764235723. The reversal of 16764235664 is 46653246761.

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, 47625494 + ... + 47625845.

It is an arithmetic number, because the mean of its divisors is an integer number (1771674924).

Almost surely, 2^16764235664 is an apocalyptic number.

It is an amenable number.

16764235664 is an abundant number, since it is smaller than the sum of its proper divisors (18669262816).

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

16764235664 is a wasteful number, since it uses less digits than its factorization.

16764235664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95251358 (or 95251352 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 16764235664 in words is "sixteen billion, seven hundred sixty-four million, two hundred thirty-five thousand, six hundred sixty-four".