426633167 has 4 divisors (see below), whose sum is σ = 437038896. Its totient is φ = 416227440.

The previous prime is 426633161. The next prime is 426633169. The reversal of 426633167 is 761336624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426633167 is a prime.

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 426633167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426633161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202803 + ... + 5202884.

It is an arithmetic number, because the mean of its divisors is an integer number (109259724).

Almost surely, 2^426633167 is an apocalyptic number.

426633167 is a deficient number, since it is larger than the sum of its proper divisors (10405729).

426633167 is a wasteful number, since it uses less digits than its factorization.

426633167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405728.

The product of its digits is 108864, while the sum is 38.

The square root of 426633167 is about 20655.1002660360. The cubic root of 426633167 is about 752.8091198433.

The spelling of 426633167 in words is "four hundred twenty-six million, six hundred thirty-three thousand, one hundred sixty-seven".