11167631 has 8 divisors (see below), whose sum is σ = 11372400. Its totient is φ = 10964800.

The previous prime is 11167601. The next prime is 11167633. The reversal of 11167631 is 13676111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11167631 - 2¹⁴ = 11151247 is a prime.

It is a super-2 number, since 2×11167631² = 249431964304322, which contains 22 as substring.

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 11167631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11167633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15581 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^11167631 is an apocalyptic number.

11167631 is a deficient number, since it is larger than the sum of its proper divisors (204769).

11167631 is an equidigital number, since it uses as much as digits as its factorization.

11167631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 756, while the sum is 26.

The square root of 11167631 is about 3341.8005625710. The cubic root of 11167631 is about 223.5220397099.

The spelling of 11167631 in words is "eleven million, one hundred sixty-seven thousand, six hundred thirty-one".