111668469 has 8 divisors (see below), whose sum is σ = 162426912. Its totient is φ = 67677840.

The previous prime is 111668441. The next prime is 111668489. The reversal of 111668469 is 964866111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111668469 - 2¹² = 111664373 is a prime.

It is a super-2 number, since 2×111668469² = 24939693937607922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 111668469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111668419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691914 + ... + 1691979.

It is an arithmetic number, because the mean of its divisors is an integer number (20303364).

Almost surely, 2^111668469 is an apocalyptic number.

It is an amenable number.

111668469 is a deficient number, since it is larger than the sum of its proper divisors (50758443).

111668469 is a wasteful number, since it uses less digits than its factorization.

111668469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383907.

The product of its digits is 62208, while the sum is 42.

The square root of 111668469 is about 10567.3302683317. The cubic root of 111668469 is about 481.5523655831.

The spelling of 111668469 in words is "one hundred eleven million, six hundred sixty-eight thousand, four hundred sixty-nine".