66792194 has 24 divisors (see below), whose sum is σ = 118466748. Its totient is φ = 28153440.

The previous prime is 66792181. The next prime is 66792227. The reversal of 66792194 is 49129766.

It can be written as a sum of positive squares in 2 ways, for example, as 60264169 + 6528025 = 7763^2 + 2555^2 .

It is a super-2 number, since 2×66792194² = 8922394358667272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392 + ... + 11564.

Almost surely, 2^66792194 is an apocalyptic number.

66792194 is a deficient number, since it is larger than the sum of its proper divisors (51674554).

66792194 is a wasteful number, since it uses less digits than its factorization.

66792194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11250 (or 11243 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 66792194 is about 8172.6491421081. The cubic root of 66792194 is about 405.7344676743.

The spelling of 66792194 in words is "sixty-six million, seven hundred ninety-two thousand, one hundred ninety-four".