111668045169 has 16 divisors (see below), whose sum is σ = 152365106432. Its totient is φ = 72708442128.

The previous prime is 111668045119. The next prime is 111668045171. The reversal of 111668045169 is 961540866111.

It is not a de Polignac number, because 111668045169 - 2²⁷ = 111533827441 is a prime.

It is a super-2 number, since 2×111668045169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111668045119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225334 + ... + 2274960.

It is an arithmetic number, because the mean of its divisors is an integer number (9522819152).

Almost surely, 2^111668045169 is an apocalyptic number.

It is an amenable number.

111668045169 is a deficient number, since it is larger than the sum of its proper divisors (40697061263).

111668045169 is a wasteful number, since it uses less digits than its factorization.

111668045169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67116.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 111668045169 in words is "one hundred eleven billion, six hundred sixty-eight million, forty-five thousand, one hundred sixty-nine".