66152315 has 8 divisors (see below), whose sum is σ = 79427040. Its totient is φ = 52892352.

The previous prime is 66152299. The next prime is 66152323. The reversal of 66152315 is 51325166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66152315 - 2⁴ = 66152299 is a prime.

It is a super-2 number, since 2×66152315² = 8752257559718450, which contains 22 as substring.

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, 13247 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (9928380).

Almost surely, 2^66152315 is an apocalyptic number.

66152315 is a deficient number, since it is larger than the sum of its proper divisors (13274725).

66152315 is a wasteful number, since it uses less digits than its factorization.

66152315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381.

The product of its digits is 5400, while the sum is 29.

The square root of 66152315 is about 8133.4073425595. The cubic root of 66152315 is about 404.4346427510.

The spelling of 66152315 in words is "sixty-six million, one hundred fifty-two thousand, three hundred fifteen".