166878912 has 56 divisors (see below), whose sum is σ = 445715136. Its totient is φ = 55099648.

The previous prime is 166878863. The next prime is 166878913. The reversal of 166878912 is 219878661.

166878912 is digitally balanced in base 2 and base 3, because in such bases 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 (166878913) 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, 16483 + ... + 24605.

Almost surely, 2^166878912 is an apocalyptic number.

166878912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166878912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222857568).

166878912 is an abundant number, since it is smaller than the sum of its proper divisors (278836224).

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

166878912 is a wasteful number, since it uses less digits than its factorization.

166878912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245 (or 8235 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 166878912 is about 12918.1620983792. The cubic root of 166878912 is about 550.5547152721.

The spelling of 166878912 in words is "one hundred sixty-six million, eight hundred seventy-eight thousand, nine hundred twelve".