921164624832673 has 8 divisors (see below), whose sum is σ = 992071452068928. Its totient is φ = 850264656159504.

The previous prime is 921164624832659. The next prime is 921164624832677. The reversal of 921164624832673 is 376238426461129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 921164624832673 - 2²⁵ = 921164591278241 is a prime.

It is a super-2 number, since 2×921164624832673² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (921164624832677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714361815 + ... + 1714899052.

It is an arithmetic number, because the mean of its divisors is an integer number (124008931508616).

Almost surely, 2^{921164624832673} is an apocalyptic number.

It is an amenable number.

921164624832673 is a deficient number, since it is larger than the sum of its proper divisors (70906827236255).

921164624832673 is a wasteful number, since it uses less digits than its factorization.

921164624832673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429281543.

The product of its digits is 125411328, while the sum is 64.

The spelling of 921164624832673 in words is "nine hundred twenty-one trillion, one hundred sixty-four billion, six hundred twenty-four million, eight hundred thirty-two thousand, six hundred seventy-three".