166988010 has 128 divisors (see below), whose sum is σ = 479084544. Its totient is φ = 36449280.

The previous prime is 166987973. The next prime is 166988033. The reversal of 166988010 is 10889661.

It is a self number, because there is not a number n which added to its sum of digits gives 166988010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 735517 + ... + 735743.

It is an arithmetic number, because the mean of its divisors is an integer number (3742848).

Almost surely, 2^166988010 is an apocalyptic number.

166988010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166988010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239542272).

166988010 is an abundant number, since it is smaller than the sum of its proper divisors (312096534).

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

166988010 is a wasteful number, since it uses less digits than its factorization.

166988010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 166988010 is about 12922.3840679652. The cubic root of 166988010 is about 550.6746651871.

The spelling of 166988010 in words is "one hundred sixty-six million, nine hundred eighty-eight thousand, ten".