111664372 has 12 divisors (see below), whose sum is σ = 200694340. Its totient is φ = 54323136.

The previous prime is 111664337. The next prime is 111664373. The reversal of 111664372 is 273466111.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 59043856 = 7254^2 + 7684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111664373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377097 + ... + 377392.

Almost surely, 2^111664372 is an apocalyptic number.

It is an amenable number.

111664372 is a deficient number, since it is larger than the sum of its proper divisors (89029968).

111664372 is a wasteful number, since it uses less digits than its factorization.

111664372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754530 (or 754528 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 111664372 is about 10567.1364143745. The cubic root of 111664372 is about 481.5464762926.

The spelling of 111664372 in words is "one hundred eleven million, six hundred sixty-four thousand, three hundred seventy-two".