11616631 has 8 divisors (see below), whose sum is σ = 12848864. Its totient is φ = 10432800.

The previous prime is 11616613. The next prime is 11616637. The reversal of 11616631 is 13661611.

11616631 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11616631 - 2⁷ = 11616503 is a prime.

It is a super-2 number, since 2×11616631² = 269892231580322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11616596 and 11616605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616637) 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, 11595 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (1606108).

Almost surely, 2^11616631 is an apocalyptic number.

11616631 is a deficient number, since it is larger than the sum of its proper divisors (1232233).

11616631 is a wasteful number, since it uses less digits than its factorization.

11616631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24201.

The product of its digits is 648, while the sum is 25.

The square root of 11616631 is about 3408.3179135756. The cubic root of 11616631 is about 226.4783703906.

The spelling of 11616631 in words is "eleven million, six hundred sixteen thousand, six hundred thirty-one".