660284800845475 has 72 divisors (see below), whose sum is σ = 942617820157328. Its totient is φ = 455989853030400.

The previous prime is 660284800845469. The next prime is 660284800845541. The reversal of 660284800845475 is 574548008482066.

It is not a de Polignac number, because 660284800845475 - 2⁷ = 660284800845347 is a prime.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 660284800845475.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7642041 + ... + 37134490.

Almost surely, 2^{660284800845475} is an apocalyptic number.

660284800845475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

660284800845475 is a deficient number, since it is larger than the sum of its proper divisors (282333019311853).

660284800845475 is a wasteful number, since it uses less digits than its factorization.

660284800845475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44776745 (or 44776723 counting only the distinct ones).

The product of its (nonzero) digits is 412876800, while the sum is 67.

The spelling of 660284800845475 in words is "six hundred sixty trillion, two hundred eighty-four billion, eight hundred million, eight hundred forty-five thousand, four hundred seventy-five".