164873902 has 8 divisors (see below), whose sum is σ = 247371912. Its totient is φ = 82416600.

The previous prime is 164873899. The next prime is 164873909. The reversal of 164873902 is 209378461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164873909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (30921489).

Almost surely, 2^164873902 is an apocalyptic number.

164873902 is a deficient number, since it is larger than the sum of its proper divisors (82498010).

164873902 is a wasteful number, since it uses less digits than its factorization.

164873902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20354.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 164873902 is about 12840.3232825346. The cubic root of 164873902 is about 548.3408977891.

The spelling of 164873902 in words is "one hundred sixty-four million, eight hundred seventy-three thousand, nine hundred two".