11664154617 has 32 divisors (see below), whose sum is σ = 15971126400. Its totient is φ = 7569249792.

The previous prime is 11664154609. The next prime is 11664154639. The reversal of 11664154617 is 71645146611.

It is not a de Polignac number, because 11664154617 - 2³ = 11664154609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11664154417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20499109 + ... + 20499677.

It is an arithmetic number, because the mean of its divisors is an integer number (499097700).

Almost surely, 2^11664154617 is an apocalyptic number.

It is an amenable number.

11664154617 is a deficient number, since it is larger than the sum of its proper divisors (4306971783).

11664154617 is a wasteful number, since it uses less digits than its factorization.

11664154617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its digits is 120960, while the sum is 42.

The spelling of 11664154617 in words is "eleven billion, six hundred sixty-four million, one hundred fifty-four thousand, six hundred seventeen".