16764563073 has 16 divisors (see below), whose sum is σ = 23901958656. Its totient is φ = 10414790400.

The previous prime is 16764563041. The next prime is 16764563111. The reversal of 16764563073 is 37036546761.

It is not a de Polignac number, because 16764563073 - 2⁵ = 16764563041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16764563003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622161 + ... + 1632462.

It is an arithmetic number, because the mean of its divisors is an integer number (1493872416).

Almost surely, 2^16764563073 is an apocalyptic number.

It is an amenable number.

16764563073 is a deficient number, since it is larger than the sum of its proper divisors (7137395583).

16764563073 is a wasteful number, since it uses less digits than its factorization.

16764563073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254744.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 16764563073 in words is "sixteen billion, seven hundred sixty-four million, five hundred sixty-three thousand, seventy-three".