66049192 has 32 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 28716160.

The previous prime is 66049177. The next prime is 66049201. The reversal of 66049192 is 29194066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14293 + ... + 18340.

It is an arithmetic number, because the mean of its divisors is an integer number (4405590).

Almost surely, 2^66049192 is an apocalyptic number.

It is an amenable number.

66049192 is an abundant number, since it is smaller than the sum of its proper divisors (74929688).

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

66049192 is a wasteful number, since it uses less digits than its factorization.

66049192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32673 (or 32669 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 66049192 is about 8127.0653990232. The cubic root of 66049192 is about 404.2243794913.

The spelling of 66049192 in words is "sixty-six million, forty-nine thousand, one hundred ninety-two".