164156402 has 8 divisors (see below), whose sum is σ = 249702912. Its totient is φ = 80922100.

The previous prime is 164156401. The next prime is 164156417. The reversal of 164156402 is 204651461.

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

It is not an unprimeable number, because it can be changed into a prime (164156401) 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, 577874 + ... + 578157.

It is an arithmetic number, because the mean of its divisors is an integer number (31212864).

Almost surely, 2^164156402 is an apocalyptic number.

164156402 is a deficient number, since it is larger than the sum of its proper divisors (85546510).

164156402 is a wasteful number, since it uses less digits than its factorization.

164156402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156104.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164156402 is about 12812.3534918453. The cubic root of 164156402 is about 547.5443158947.

The spelling of 164156402 in words is "one hundred sixty-four million, one hundred fifty-six thousand, four hundred two".