66372152 has 32 divisors (see below), whose sum is σ = 155157120. Its totient is φ = 25859040.

The previous prime is 66372151. The next prime is 66372161. The reversal of 66372152 is 25127366.

66372152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66372152² = 8810525122222208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66372151) 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 in 7 ways as a sum of consecutive naturals, for example, 53258 + ... + 54489.

It is an arithmetic number, because the mean of its divisors is an integer number (4848660).

Almost surely, 2^66372152 is an apocalyptic number.

It is an amenable number.

66372152 is an abundant number, since it is smaller than the sum of its proper divisors (88784968).

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

66372152 is a wasteful number, since it uses less digits than its factorization.

66372152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107771 (or 107767 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 66372152 is about 8146.9105800911. The cubic root of 66372152 is about 404.8821523703.

The spelling of 66372152 in words is "sixty-six million, three hundred seventy-two thousand, one hundred fifty-two".