66704475036192 has 96 divisors (see below), whose sum is σ = 206568696950784. Its totient is φ = 18443633644800.

The previous prime is 66704475036167. The next prime is 66704475036211. The reversal of 66704475036192 is 29163057440766.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600989034 + ... + 1601030697.

It is an arithmetic number, because the mean of its divisors is an integer number (2151757259904).

Almost surely, 2^{66704475036192} is an apocalyptic number.

66704475036192 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66704475036192 is an abundant number, since it is smaller than the sum of its proper divisors (139864221914592).

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

66704475036192 is a wasteful number, since it uses less digits than its factorization.

66704475036192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202019782 (or 3202019774 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 66704475036192 in words is "sixty-six trillion, seven hundred four billion, four hundred seventy-five million, thirty-six thousand, one hundred ninety-two".