14661631 has 4 divisors (see below), whose sum is σ = 14737792. Its totient is φ = 14585472.

The previous prime is 14661629. The next prime is 14661643. The reversal of 14661631 is 13616641.

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

It is a cyclic number.

It is not a de Polignac number, because 14661631 - 2¹ = 14661629 is a prime.

It is a super-2 number, since 2×14661631² = 429926847160322, 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 14661631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14661601) 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, 37791 + ... + 38176.

It is an arithmetic number, because the mean of its divisors is an integer number (3684448).

Almost surely, 2^14661631 is an apocalyptic number.

14661631 is a deficient number, since it is larger than the sum of its proper divisors (76161).

14661631 is an equidigital number, since it uses as much as digits as its factorization.

14661631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76160.

The product of its digits is 2592, while the sum is 28.

The square root of 14661631 is about 3829.0509267964. The cubic root of 14661631 is about 244.7526644543.

The spelling of 14661631 in words is "fourteen million, six hundred sixty-one thousand, six hundred thirty-one".