3666162515 has 4 divisors (see below), whose sum is σ = 4399395024. Its totient is φ = 2932930008.

The previous prime is 3666162497. The next prime is 3666162529. The reversal of 3666162515 is 5152616663.

3666162515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3666162515 - 2²⁸ = 3397727059 is a prime.

It is a super-2 number, since 2×3666162515² = 26881495172782250450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366616247 + ... + 366616256.

It is an arithmetic number, because the mean of its divisors is an integer number (1099848756).

Almost surely, 2^3666162515 is an apocalyptic number.

3666162515 is a deficient number, since it is larger than the sum of its proper divisors (733232509).

3666162515 is an equidigital number, since it uses as much as digits as its factorization.

3666162515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733232508.

The product of its digits is 194400, while the sum is 41.

The square root of 3666162515 is about 60548.8440434663. The cubic root of 3666162515 is about 1541.9509925978.

The spelling of 3666162515 in words is "three billion, six hundred sixty-six million, one hundred sixty-two thousand, five hundred fifteen".