66487592 has 16 divisors (see below), whose sum is σ = 125563200. Its totient is φ = 33004080.

The previous prime is 66487579. The next prime is 66487637. The reversal of 66487592 is 29578466.

66487592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28784 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (7847700).

Almost surely, 2^66487592 is an apocalyptic number.

It is an amenable number.

66487592 is a deficient number, since it is larger than the sum of its proper divisors (59075608).

66487592 is a wasteful number, since it uses less digits than its factorization.

66487592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59936 (or 59932 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 66487592 is about 8153.9923963663. The cubic root of 66487592 is about 405.1167513832.

The spelling of 66487592 in words is "sixty-six million, four hundred eighty-seven thousand, five hundred ninety-two".