66164592 has 40 divisors (see below), whose sum is σ = 184075024. Its totient is φ = 20358144.

The previous prime is 66164591. The next prime is 66164641. The reversal of 66164592 is 29546166.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 66164592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66164591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52393 + ... + 53640.

Almost surely, 2^66164592 is an apocalyptic number.

It is an amenable number.

66164592 is an abundant number, since it is smaller than the sum of its proper divisors (117910432).

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

66164592 is a wasteful number, since it uses less digits than its factorization.

66164592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106057 (or 106051 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 66164592 is about 8134.1620342848. The cubic root of 66164592 is about 404.4596604543.

The spelling of 66164592 in words is "sixty-six million, one hundred sixty-four thousand, five hundred ninety-two".