74018456665 has 16 divisors (see below), whose sum is σ = 89412672960. Its totient is φ = 58822378560.

The previous prime is 74018456623. The next prime is 74018456669. The reversal of 74018456665 is 56665481047.

It is not a de Polignac number, because 74018456665 - 2⁷ = 74018456537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74018456669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377706 + ... + 539164.

It is an arithmetic number, because the mean of its divisors is an integer number (5588292060).

Almost surely, 2^74018456665 is an apocalyptic number.

It is an amenable number.

74018456665 is a deficient number, since it is larger than the sum of its proper divisors (15394216295).

74018456665 is a wasteful number, since it uses less digits than its factorization.

74018456665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162072.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 74018456665 in words is "seventy-four billion, eighteen million, four hundred fifty-six thousand, six hundred sixty-five".