66700040007374 has 16 divisors (see below), whose sum is σ = 100998543966768. Its totient is φ = 33033941627712.

The previous prime is 66700040007319. The next prime is 66700040007449. The reversal of 66700040007374 is 47370004000766.

It is a congruent number.

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, 19123199 + ... + 22340474.

It is an arithmetic number, because the mean of its divisors is an integer number (6312408997923).

Almost surely, 2^{66700040007374} is an apocalyptic number.

66700040007374 is a deficient number, since it is larger than the sum of its proper divisors (34298503959394).

66700040007374 is a wasteful number, since it uses less digits than its factorization.

66700040007374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41471299.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 66700040007374 in words is "sixty-six trillion, seven hundred billion, forty million, seven thousand, three hundred seventy-four".