164003973 has 8 divisors (see below), whose sum is σ = 249910848. Its totient is φ = 93716544.

The previous prime is 164003971. The next prime is 164003989. The reversal of 164003973 is 379300461.

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

It is not a de Polignac number, because 164003973 - 2¹ = 164003971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164003971) 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, 3904836 + ... + 3904877.

It is an arithmetic number, because the mean of its divisors is an integer number (31238856).

Almost surely, 2^164003973 is an apocalyptic number.

It is an amenable number.

164003973 is a deficient number, since it is larger than the sum of its proper divisors (85906875).

164003973 is an equidigital number, since it uses as much as digits as its factorization.

164003973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809723.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 164003973 is about 12806.4035935152. The cubic root of 164003973 is about 547.3747875711.

The spelling of 164003973 in words is "one hundred sixty-four million, three thousand, nine hundred seventy-three".