111666506162 has 16 divisors (see below), whose sum is σ = 175468982400. Its totient is φ = 53225586960.

The previous prime is 111666506141. The next prime is 111666506177. The reversal of 111666506162 is 261605666111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12180764 + ... + 12189927.

It is an arithmetic number, because the mean of its divisors is an integer number (10966811400).

Almost surely, 2^111666506162 is an apocalyptic number.

111666506162 is a deficient number, since it is larger than the sum of its proper divisors (63802476238).

111666506162 is a wasteful number, since it uses less digits than its factorization.

111666506162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24370801.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 111666506162 in words is "one hundred eleven billion, six hundred sixty-six million, five hundred six thousand, one hundred sixty-two".