66196392 has 32 divisors (see below), whose sum is σ = 172687680. Its totient is φ = 21105920.

The previous prime is 66196321. The next prime is 66196411. The reversal of 66196392 is 29369166.

66196392 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 7 ways as a sum of consecutive naturals, for example, 59409 + ... + 60512.

It is an arithmetic number, because the mean of its divisors is an integer number (5396490).

Almost surely, 2^66196392 is an apocalyptic number.

It is an amenable number.

66196392 is an abundant number, since it is smaller than the sum of its proper divisors (106491288).

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

66196392 is a wasteful number, since it uses less digits than its factorization.

66196392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119953 (or 119949 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 66196392 is about 8136.1165183397. The cubic root of 66196392 is about 404.5244471568.

The spelling of 66196392 in words is "sixty-six million, one hundred ninety-six thousand, three hundred ninety-two".