11654661 has 8 divisors (see below), whose sum is σ = 15593760. Its totient is φ = 7742672.

The previous prime is 11654653. The next prime is 11654711. The reversal of 11654661 is 16645611.

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 11654661 - 2³ = 11654653 is a prime.

It is a super-2 number, since 2×11654661² = 271662246049842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11654651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5751 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (1949220).

Almost surely, 2^11654661 is an apocalyptic number.

It is an amenable number.

11654661 is a deficient number, since it is larger than the sum of its proper divisors (3939099).

11654661 is a wasteful number, since it uses less digits than its factorization.

11654661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555.

The product of its digits is 4320, while the sum is 30.

The square root of 11654661 is about 3413.8923533117. The cubic root of 11654661 is about 226.7252460571.

The spelling of 11654661 in words is "eleven million, six hundred fifty-four thousand, six hundred sixty-one".