11616618 has 16 divisors (see below), whose sum is σ = 25020576. Its totient is φ = 3574320.

The previous prime is 11616613. The next prime is 11616637. The reversal of 11616618 is 81661611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11616611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74388 + ... + 74543.

It is an arithmetic number, because the mean of its divisors is an integer number (1563786).

Almost surely, 2^11616618 is an apocalyptic number.

11616618 is an abundant number, since it is smaller than the sum of its proper divisors (13403958).

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

11616618 is a wasteful number, since it uses less digits than its factorization.

11616618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148949.

The product of its digits is 1728, while the sum is 30.

The square root of 11616618 is about 3408.3160064759. The cubic root of 11616618 is about 226.4782859077.

The spelling of 11616618 in words is "eleven million, six hundred sixteen thousand, six hundred eighteen".