111665334644 has 24 divisors (see below), whose sum is σ = 205757244000. Its totient is φ = 52879206240.

The previous prime is 111665334631. The next prime is 111665334667. The reversal of 111665334644 is 446433566111.

It is a super-2 number, since 2×111665334644² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111665334595 and 111665334604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67007 + ... + 477305.

It is an arithmetic number, because the mean of its divisors is an integer number (8573218500).

Almost surely, 2^111665334644 is an apocalyptic number.

It is an amenable number.

111665334644 is a deficient number, since it is larger than the sum of its proper divisors (94091909356).

111665334644 is a wasteful number, since it uses less digits than its factorization.

111665334644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413903 (or 413901 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 111665334644 in words is "one hundred eleven billion, six hundred sixty-five million, three hundred thirty-four thousand, six hundred forty-four".