11401664 has 14 divisors (see below), whose sum is σ = 22625304. Its totient is φ = 5700800.

The previous prime is 11401657. The next prime is 11401667. The reversal of 11401664 is 46610411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89012 + ... + 89139.

Almost surely, 2^11401664 is an apocalyptic number.

It is an amenable number.

11401664 is a deficient number, since it is larger than the sum of its proper divisors (11223640).

11401664 is an equidigital number, since it uses as much as digits as its factorization.

11401664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178163 (or 178153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11401664 is about 3376.6350113686. The cubic root of 11401664 is about 225.0726613060.

The spelling of 11401664 in words is "eleven million, four hundred one thousand, six hundred sixty-four".