66756152 has 16 divisors (see below), whose sum is σ = 126408600. Its totient is φ = 33047200.

The previous prime is 66756149. The next prime is 66756223. The reversal of 66756152 is 25165766.

It is a congruent 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, 40502 + ... + 42117.

Almost surely, 2^66756152 is an apocalyptic number.

It is an amenable number.

66756152 is a deficient number, since it is larger than the sum of its proper divisors (59652448).

66756152 is a wasteful number, since it uses less digits than its factorization.

66756152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82726 (or 82722 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 66756152 is about 8170.4438067953. The cubic root of 66756152 is about 405.6614745497.

The spelling of 66756152 in words is "sixty-six million, seven hundred fifty-six thousand, one hundred fifty-two".