166526928 has 80 divisors (see below), whose sum is σ = 483996800. Its totient is φ = 55497312.

The previous prime is 166526911. The next prime is 166526929. The reversal of 166526928 is 829625661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166526929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32613 + ... + 37371.

It is an arithmetic number, because the mean of its divisors is an integer number (6049960).

Almost surely, 2^166526928 is an apocalyptic number.

166526928 is a gapful number since it is divisible by the number (18) 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 166526928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241998400).

166526928 is an abundant number, since it is smaller than the sum of its proper divisors (317469872).

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

166526928 is an frugal number, since it uses more digits than its factorization.

166526928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788 (or 4764 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 166526928 is about 12904.5312971839. The cubic root of 166526928 is about 550.1673628411.

The spelling of 166526928 in words is "one hundred sixty-six million, five hundred twenty-six thousand, nine hundred twenty-eight".