66370952 has 16 divisors (see below), whose sum is σ = 130995600. Its totient is φ = 31438800.

The previous prime is 66370921. The next prime is 66370957. The reversal of 66370952 is 25907366.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (66370957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218174 + ... + 218477.

It is an arithmetic number, because the mean of its divisors is an integer number (8187225).

Almost surely, 2^66370952 is an apocalyptic number.

It is an amenable number.

66370952 is a deficient number, since it is larger than the sum of its proper divisors (64624648).

66370952 is a wasteful number, since it uses less digits than its factorization.

66370952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436676 (or 436672 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 66370952 is about 8146.8369322087. The cubic root of 66370952 is about 404.8797122832.

The spelling of 66370952 in words is "sixty-six million, three hundred seventy thousand, nine hundred fifty-two".