11658664 has 8 divisors (see below), whose sum is σ = 21860010. Its totient is φ = 5829328.

The previous prime is 11658629. The next prime is 11658671. The reversal of 11658664 is 46685611.

11658664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 5616900 = 2458^2 + 2370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728659 + ... + 728674.

Almost surely, 2^11658664 is an apocalyptic number.

It is an amenable number.

11658664 is a deficient number, since it is larger than the sum of its proper divisors (10201346).

11658664 is a wasteful number, since it uses less digits than its factorization.

11658664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457339 (or 1457335 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 11658664 is about 3414.4785839129. The cubic root of 11658664 is about 226.7512006880.

The spelling of 11658664 in words is "eleven million, six hundred fifty-eight thousand, six hundred sixty-four".