164385212973 has 8 divisors (see below), whose sum is σ = 219364010688. Its totient is φ = 109498278624.

The previous prime is 164385212857. The next prime is 164385212989. The reversal of 164385212973 is 379212583461.

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

It is not a de Polignac number, because 164385212973 - 2³⁶ = 95665736237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164385212573) 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, 22961665 + ... + 22968822.

It is an arithmetic number, because the mean of its divisors is an integer number (27420501336).

Almost surely, 2^164385212973 is an apocalyptic number.

It is an amenable number.

164385212973 is a deficient number, since it is larger than the sum of its proper divisors (54978797715).

164385212973 is a wasteful number, since it uses less digits than its factorization.

164385212973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45931683.

The product of its digits is 2177280, while the sum is 51.

The spelling of 164385212973 in words is "one hundred sixty-four billion, three hundred eighty-five million, two hundred twelve thousand, nine hundred seventy-three".