66376356 has 12 divisors (see below), whose sum is σ = 154878192. Its totient is φ = 22125448.

The previous prime is 66376339. The next prime is 66376369. The reversal of 66376356 is 65367366.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2765670 + ... + 2765693.

It is an arithmetic number, because the mean of its divisors is an integer number (12906516).

Almost surely, 2^66376356 is an apocalyptic number.

It is an amenable number.

66376356 is an abundant number, since it is smaller than the sum of its proper divisors (88501836).

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

66376356 is a wasteful number, since it uses less digits than its factorization.

66376356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531370 (or 5531368 counting only the distinct ones).

The product of its digits is 408240, while the sum is 42.

The square root of 66376356 is about 8147.1685879206. The cubic root of 66376356 is about 404.8907005771.

The spelling of 66376356 in words is "sixty-six million, three hundred seventy-six thousand, three hundred fifty-six".