66079506 has 48 divisors (see below), whose sum is σ = 140152320. Its totient is φ = 20766240.

The previous prime is 66079477. The next prime is 66079543. The reversal of 66079506 is 60597066.

It is a happy number.

It is a super-2 number, since 2×66079506² = 8733002226408072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345871 + ... + 346061.

It is an arithmetic number, because the mean of its divisors is an integer number (2919840).

Almost surely, 2^66079506 is an apocalyptic number.

66079506 is an abundant number, since it is smaller than the sum of its proper divisors (74072814).

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

66079506 is a wasteful number, since it uses less digits than its factorization.

66079506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 66079506 is about 8128.9301879153. The cubic root of 66079506 is about 404.2862111014.

The spelling of 66079506 in words is "sixty-six million, seventy-nine thousand, five hundred six".