164238654 has 32 divisors (see below), whose sum is σ = 337559040. Its totient is φ = 53252352.

The previous prime is 164238643. The next prime is 164238673. The reversal of 164238654 is 456832461.

164238654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31947 + ... + 36729.

It is an arithmetic number, because the mean of its divisors is an integer number (10548720).

Almost surely, 2^164238654 is an apocalyptic number.

164238654 is an abundant number, since it is smaller than the sum of its proper divisors (173320386).

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

164238654 is a wasteful number, since it uses less digits than its factorization.

164238654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its digits is 138240, while the sum is 39.

The square root of 164238654 is about 12815.5629607130. The cubic root of 164238654 is about 547.6357512466.

The spelling of 164238654 in words is "one hundred sixty-four million, two hundred thirty-eight thousand, six hundred fifty-four".