66740400007374 has 8 divisors (see below), whose sum is σ = 133480800014760. Its totient is φ = 22246800002456.

The previous prime is 66740400007349. The next prime is 66740400007409. The reversal of 66740400007374 is 47370000404766.

It is a sphenic number, since it is the product of 3 distinct primes.

66740400007374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561700000609 + ... + 5561700000620.

It is an arithmetic number, because the mean of its divisors is an integer number (16685100001845).

Almost surely, 2^{66740400007374} is an apocalyptic number.

66740400007374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66740400007374 is a wasteful number, since it uses less digits than its factorization.

66740400007374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123400001234.

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 66740400007374 in words is "sixty-six trillion, seven hundred forty billion, four hundred million, seven thousand, three hundred seventy-four".