11601816 has 16 divisors (see below), whose sum is σ = 29004600. Its totient is φ = 3867264.

The previous prime is 11601791. The next prime is 11601841. The reversal of 11601816 is 61810611.

It is an interprime number because it is at equal distance from previous prime (11601791) and next prime (11601841).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 483409 = 11601816 / (1 + 1 + 6 + 0 + 1 + 8 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241681 + ... + 241728.

Almost surely, 2^11601816 is an apocalyptic number.

It is an amenable number.

11601816 is an abundant number, since it is smaller than the sum of its proper divisors (17402784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11601816 is a wasteful number, since it uses less digits than its factorization.

11601816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483418 (or 483414 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11601816 is about 3406.1438607317. The cubic root of 11601816 is about 226.3820514599.

The spelling of 11601816 in words is "eleven million, six hundred one thousand, eight hundred sixteen".