164055774 has 16 divisors (see below), whose sum is σ = 328238208. Its totient is φ = 54664152.

The previous prime is 164055767. The next prime is 164055781. The reversal of 164055774 is 477550461.

It is an interprime number because it is at equal distance from previous prime (164055767) and next prime (164055781).

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 7 ways as a sum of consecutive naturals, for example, 24409 + ... + 30395.

It is an arithmetic number, because the mean of its divisors is an integer number (20514888).

Almost surely, 2^164055774 is an apocalyptic number.

164055774 is an abundant number, since it is smaller than the sum of its proper divisors (164182434).

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

164055774 is a wasteful number, since it uses less digits than its factorization.

164055774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10559.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 164055774 is about 12808.4258986028. The cubic root of 164055774 is about 547.4324113309.

The spelling of 164055774 in words is "one hundred sixty-four million, fifty-five thousand, seven hundred seventy-four".