64266311475 has 18 divisors (see below), whose sum is σ = 115108104956. Its totient is φ = 34275366000.

The previous prime is 64266311453. The next prime is 64266311489. The reversal of 64266311475 is 57411366246.

64266311475 is a `hidden beast` number, since 6 + 4 + 2 + 6 + 631 + 1 + 4 + 7 + 5 = 666.

It is not a de Polignac number, because 64266311475 - 2⁶ = 64266311411 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 64266311475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142813801 + ... + 142814250.

Almost surely, 2^64266311475 is an apocalyptic number.

64266311475 is a deficient number, since it is larger than the sum of its proper divisors (50841793481).

64266311475 is a wasteful number, since it uses less digits than its factorization.

64266311475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285628067 (or 285628059 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 64266311475 in words is "sixty-four billion, two hundred sixty-six million, three hundred eleven thousand, four hundred seventy-five".