166877616 has 40 divisors (see below), whose sum is σ = 434012400. Its totient is φ = 55250176.

The previous prime is 166877591. The next prime is 166877617. The reversal of 166877616 is 616778661.

166877616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (166877617) 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, 4515 + ... + 18818.

It is an arithmetic number, because the mean of its divisors is an integer number (10850310).

Almost surely, 2^166877616 is an apocalyptic number.

166877616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166877616 is an abundant number, since it is smaller than the sum of its proper divisors (267134784).

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

166877616 is a wasteful number, since it uses less digits than its factorization.

166877616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493 (or 23487 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 166877616 is about 12918.1119363474. Note that the first 3 decimals coincide. The cubic root of 166877616 is about 550.5532900455.

The spelling of 166877616 in words is "one hundred sixty-six million, eight hundred seventy-seven thousand, six hundred sixteen".