166110031616 has 36 divisors (see below), whose sum is σ = 333556738032. Its totient is φ = 82557659136.

The previous prime is 166110031583. The next prime is 166110031621. The reversal of 166110031616 is 616130011661.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899965 + ... + 1985468.

Almost surely, 2^166110031616 is an apocalyptic number.

166110031616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166110031616 is an abundant number, since it is smaller than the sum of its proper divisors (167446706416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166110031616 is an equidigital number, since it uses as much as digits as its factorization.

166110031616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885616 (or 3885602 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 166110031616 in words is "one hundred sixty-six billion, one hundred ten million, thirty-one thousand, six hundred sixteen".