111141664 has 12 divisors (see below), whose sum is σ = 218810214. Its totient is φ = 55570816.

The previous prime is 111141647. The next prime is 111141683. The reversal of 111141664 is 466141111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86341264 + 24800400 = 9292^2 + 4980^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736557 + ... + 1736620.

Almost surely, 2^111141664 is an apocalyptic number.

It is an amenable number.

111141664 is a deficient number, since it is larger than the sum of its proper divisors (107668550).

111141664 is an equidigital number, since it uses as much as digits as its factorization.

111141664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473187 (or 3473179 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 111141664 is about 10542.3746850508. The cubic root of 111141664 is about 480.7939176217.

Adding to 111141664 its reverse (466141111), we get a palindrome (577282775).

The spelling of 111141664 in words is "one hundred eleven million, one hundred forty-one thousand, six hundred sixty-four".