11641685 has 16 divisors (see below), whose sum is σ = 16137792. Its totient is φ = 7968000.

The previous prime is 11641681. The next prime is 11641687. The reversal of 11641685 is 58614611.

11641685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11641685 - 2² = 11641681 is a prime.

It is a super-3 number, since 3×11641685³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5291 + ... + 7160.

It is an arithmetic number, because the mean of its divisors is an integer number (1008612).

Almost surely, 2^11641685 is an apocalyptic number.

It is an amenable number.

11641685 is a deficient number, since it is larger than the sum of its proper divisors (4496107).

11641685 is a wasteful number, since it uses less digits than its factorization.

11641685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484.

The product of its digits is 5760, while the sum is 32.

The square root of 11641685 is about 3411.9913540336. The cubic root of 11641685 is about 226.6410714563.

The spelling of 11641685 in words is "eleven million, six hundred forty-one thousand, six hundred eighty-five".