66736707074066 has 16 divisors (see below), whose sum is σ = 106227919886400. Its totient is φ = 31376580037968.

The previous prime is 66736707074047. The next prime is 66736707074117. The reversal of 66736707074066 is 66047070763766.

It is a junction number, because it is equal to n+sod(n) for n = 66736707073993 and 66736707074011.

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, 12294895421 + ... + 12294900848.

It is an arithmetic number, because the mean of its divisors is an integer number (6639244992900).

Almost surely, 2^{66736707074066} is an apocalyptic number.

66736707074066 is a deficient number, since it is larger than the sum of its proper divisors (39491212812334).

66736707074066 is a wasteful number, since it uses less digits than its factorization.

66736707074066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24589796353.

The product of its (nonzero) digits is 224042112, while the sum is 65.

The spelling of 66736707074066 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred seven million, seventy-four thousand, sixty-six".