66162276 has 36 divisors (see below), whose sum is σ = 170806272. Its totient is φ = 21584304.

The previous prime is 66162269. The next prime is 66162289. The reversal of 66162276 is 67226166.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 66162276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17860 + ... + 21243.

Almost surely, 2^66162276 is an apocalyptic number.

It is an amenable number.

66162276 is an abundant number, since it is smaller than the sum of its proper divisors (104643996).

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

66162276 is a wasteful number, since it uses less digits than its factorization.

66162276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39160 (or 39155 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 66162276 is about 8134.0196704950. The cubic root of 66162276 is about 404.4549412157.

The spelling of 66162276 in words is "sixty-six million, one hundred sixty-two thousand, two hundred seventy-six".