16764537923 has 6 divisors (see below), whose sum is σ = 19501605396. Its totient is φ = 14369603892.

The previous prime is 16764537917. The next prime is 16764537973. The reversal of 16764537923 is 32973546761.

It is not a de Polignac number, because 16764537923 - 2⁶ = 16764537859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16764537973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171066665 + ... + 171066762.

It is an arithmetic number, because the mean of its divisors is an integer number (3250267566).

Almost surely, 2^16764537923 is an apocalyptic number.

16764537923 is a deficient number, since it is larger than the sum of its proper divisors (2737067473).

16764537923 is an equidigital number, since it uses as much as digits as its factorization.

16764537923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342133441 (or 342133434 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The spelling of 16764537923 in words is "sixteen billion, seven hundred sixty-four million, five hundred thirty-seven thousand, nine hundred twenty-three".