66725033515706 has 16 divisors (see below), whose sum is σ = 101374888055040. Its totient is φ = 32933574220560.

The previous prime is 66725033515703. The next prime is 66725033515709. The reversal of 66725033515706 is 60751533052766.

It is an interprime number because it is at equal distance from previous prime (66725033515703) and next prime (66725033515709).

It is not an unprimeable number, because it can be changed into a prime (66725033515703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41726825 + ... + 43296396.

It is an arithmetic number, because the mean of its divisors is an integer number (6335930503440).

Almost surely, 2^{66725033515706} is an apocalyptic number.

66725033515706 is a deficient number, since it is larger than the sum of its proper divisors (34649854539334).

66725033515706 is a wasteful number, since it uses less digits than its factorization.

66725033515706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85028269.

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 66725033515706 in words is "sixty-six trillion, seven hundred twenty-five billion, thirty-three million, five hundred fifteen thousand, seven hundred six".