66152752 has 10 divisors (see below), whose sum is σ = 128170988. Its totient is φ = 33076368.

The previous prime is 66152719. The next prime is 66152753. The reversal of 66152752 is 25725166.

66152752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66152753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067258 + ... + 2067289.

Almost surely, 2^66152752 is an apocalyptic number.

It is an amenable number.

66152752 is a deficient number, since it is larger than the sum of its proper divisors (62018236).

66152752 is a wasteful number, since it uses less digits than its factorization.

66152752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134555 (or 4134549 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 66152752 is about 8133.4342070247. The cubic root of 66152752 is about 404.4355333096.

The spelling of 66152752 in words is "sixty-six million, one hundred fifty-two thousand, seven hundred fifty-two".