66562952 has 32 divisors (see below), whose sum is σ = 130206720. Its totient is φ = 31864320.

The previous prime is 66562901. The next prime is 66562981. The reversal of 66562952 is 25926566.

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, 22673 + ... + 25439.

It is an arithmetic number, because the mean of its divisors is an integer number (4068960).

Almost surely, 2^66562952 is an apocalyptic number.

66562952 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66562952 is a deficient number, since it is larger than the sum of its proper divisors (63643768).

66562952 is a wasteful number, since it uses less digits than its factorization.

66562952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2897 counting only the distinct ones).

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

The square root of 66562952 is about 8158.6121368772. The cubic root of 66562952 is about 405.2697527187.

The spelling of 66562952 in words is "sixty-six million, five hundred sixty-two thousand, nine hundred fifty-two".