111661796 has 12 divisors (see below), whose sum is σ = 196489020. Its totient is φ = 55522080.

The previous prime is 111661787. The next prime is 111661799. The reversal of 111661796 is 697166111.

It can be written as a sum of positive squares in 2 ways, for example, as 30913600 + 80748196 = 5560^2 + 8986^2 .

It is not an unprimeable number, because it can be changed into a prime (111661799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76391 + ... + 77838.

It is an arithmetic number, because the mean of its divisors is an integer number (16374085).

Almost surely, 2^111661796 is an apocalyptic number.

It is an amenable number.

111661796 is a deficient number, since it is larger than the sum of its proper divisors (84827224).

111661796 is a wasteful number, since it uses less digits than its factorization.

111661796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154414 (or 154412 counting only the distinct ones).

The product of its digits is 13608, while the sum is 38.

The square root of 111661796 is about 10567.0145263457. The cubic root of 111661796 is about 481.5427733112.

The spelling of 111661796 in words is "one hundred eleven million, six hundred sixty-one thousand, seven hundred ninety-six".