164753002721 has 8 divisors (see below), whose sum is σ = 170075616000. Its totient is φ = 159430889520.

The previous prime is 164753002699. The next prime is 164753002727. The reversal of 164753002721 is 127200357461.

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

It is not a de Polignac number, because 164753002721 - 2³⁰ = 163679260897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164753002727) 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, 613955 + ... + 840503.

It is an arithmetic number, because the mean of its divisors is an integer number (21259452000).

Almost surely, 2^164753002721 is an apocalyptic number.

It is an amenable number.

164753002721 is a deficient number, since it is larger than the sum of its proper divisors (5322613279).

164753002721 is a wasteful number, since it uses less digits than its factorization.

164753002721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250039.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 164753002721 in words is "one hundred sixty-four billion, seven hundred fifty-three million, two thousand, seven hundred twenty-one".