826166475 has 18 divisors (see below), whose sum is σ = 1479756356. Its totient is φ = 440622000.

The previous prime is 826166447. The next prime is 826166501. The reversal of 826166475 is 574661628.

It is not a de Polignac number, because 826166475 - 2¹³ = 826158283 is a prime.

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 826166475.

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, 1835701 + ... + 1836150.

Almost surely, 2^826166475 is an apocalyptic number.

826166475 is a deficient number, since it is larger than the sum of its proper divisors (653589881).

826166475 is a wasteful number, since it uses less digits than its factorization.

826166475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671867 (or 3671859 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 826166475 is about 28743.1117835213. Note that the first 3 decimals coincide. The cubic root of 826166475 is about 938.3305493164.

The spelling of 826166475 in words is "eight hundred twenty-six million, one hundred sixty-six thousand, four hundred seventy-five".