111661084 has 12 divisors (see below), whose sum is σ = 196219408. Its totient is φ = 55598400.

The previous prime is 111661057. The next prime is 111661097. The reversal of 111661084 is 480166111.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 56952 + ... + 58879.

Almost surely, 2^111661084 is an apocalyptic number.

It is an amenable number.

111661084 is a deficient number, since it is larger than the sum of its proper divisors (84558324).

111661084 is a wasteful number, since it uses less digits than its factorization.

111661084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116076 (or 116074 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 111661084 is about 10566.9808365493. The cubic root of 111661084 is about 481.5417498063.

The spelling of 111661084 in words is "one hundred eleven million, six hundred sixty-one thousand, eighty-four".