164401458 has 32 divisors (see below), whose sum is σ = 374927616. Its totient is φ = 47609088.

The previous prime is 164401429. The next prime is 164401459. The reversal of 164401458 is 854104461.

It is a super-3 number, since 3×164401458³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164401459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60666 + ... + 63317.

It is an arithmetic number, because the mean of its divisors is an integer number (11716488).

Almost surely, 2^164401458 is an apocalyptic number.

164401458 is an abundant number, since it is smaller than the sum of its proper divisors (210526158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164401458 is a wasteful number, since it uses less digits than its factorization.

164401458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124018.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 164401458 is about 12821.9131957754. The cubic root of 164401458 is about 547.8166421745.

The spelling of 164401458 in words is "one hundred sixty-four million, four hundred one thousand, four hundred fifty-eight".