11624602661 has 12 divisors (see below), whose sum is σ = 14110432992. Its totient is φ = 9530729208.

The previous prime is 11624602631. The next prime is 11624602663. The reversal of 11624602661 is 16620642611.

It is not a de Polignac number, because 11624602661 - 2¹⁴ = 11624586277 is a prime.

It is a super-2 number, since 2×11624602661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11624602663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5156195 + ... + 5158448.

It is an arithmetic number, because the mean of its divisors is an integer number (1175869416).

Almost surely, 2^11624602661 is an apocalyptic number.

It is an amenable number.

11624602661 is a deficient number, since it is larger than the sum of its proper divisors (2485830331).

11624602661 is a wasteful number, since it uses less digits than its factorization.

11624602661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10314680 (or 10314673 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 11624602661 in words is "eleven billion, six hundred twenty-four million, six hundred two thousand, six hundred sixty-one".