66164054 has 32 divisors (see below), whose sum is σ = 113667840. Its totient is φ = 28591200.

The previous prime is 66164053. The next prime is 66164069. The reversal of 66164054 is 45046166.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66164054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66164053) 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, 115589 + ... + 116159.

It is an arithmetic number, because the mean of its divisors is an integer number (3552120).

Almost surely, 2^66164054 is an apocalyptic number.

66164054 is a deficient number, since it is larger than the sum of its proper divisors (47503786).

66164054 is a wasteful number, since it uses less digits than its factorization.

66164054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 66164054 is about 8134.1289638166. The cubic root of 66164054 is about 404.4585641989.

The spelling of 66164054 in words is "sixty-six million, one hundred sixty-four thousand, fifty-four".