111162164 has 12 divisors (see below), whose sum is σ = 196996800. Its totient is φ = 54877368.

The previous prime is 111162143. The next prime is 111162169. The reversal of 111162164 is 461261111.

111162164 = 1147² + 1148² + ... + 1225².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111162169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175574 + ... + 176205.

It is an arithmetic number, because the mean of its divisors is an integer number (16416400).

Almost surely, 2^111162164 is an apocalyptic number.

It is an amenable number.

111162164 is a deficient number, since it is larger than the sum of its proper divisors (85834636).

111162164 is a wasteful number, since it uses less digits than its factorization.

111162164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351862 (or 351860 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 111162164 is about 10543.3469069361. The cubic root of 111162164 is about 480.8234765019.

The spelling of 111162164 in words is "one hundred eleven million, one hundred sixty-two thousand, one hundred sixty-four".