66152163 has 32 divisors (see below), whose sum is σ = 114757632. Its totient is φ = 32868000.

The previous prime is 66152159. The next prime is 66152179. The reversal of 66152163 is 36125166.

It is not a de Polignac number, because 66152163 - 2² = 66152159 is a prime.

It is a super-2 number, since 2×66152163² = 8752217339157138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 66152163.

It is not an unprimeable number, because it can be changed into a prime (66152153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (3586176).

Almost surely, 2^66152163 is an apocalyptic number.

66152163 is a deficient number, since it is larger than the sum of its proper divisors (48605469).

66152163 is a wasteful number, since it uses less digits than its factorization.

66152163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495.

The product of its digits is 6480, while the sum is 30.

The square root of 66152163 is about 8133.3979983768. The cubic root of 66152163 is about 404.4343329905.

It can be divided in two parts, 6615 and 2163, that added together give a palindrome (8778).

The spelling of 66152163 in words is "sixty-six million, one hundred fifty-two thousand, one hundred sixty-three".