66795152194 has 16 divisors (see below), whose sum is σ = 105475654080. Its totient is φ = 31636921680.

The previous prime is 66795152167. The next prime is 66795152239. The reversal of 66795152194 is 49125159766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375292 + ... + 523864.

It is an arithmetic number, because the mean of its divisors is an integer number (6592228380).

Almost surely, 2^66795152194 is an apocalyptic number.

66795152194 is a deficient number, since it is larger than the sum of its proper divisors (38680501886).

66795152194 is a wasteful number, since it uses less digits than its factorization.

66795152194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160425.

The product of its digits is 4082400, while the sum is 55.

The spelling of 66795152194 in words is "sixty-six billion, seven hundred ninety-five million, one hundred fifty-two thousand, one hundred ninety-four".