166481070 has 64 divisors (see below), whose sum is σ = 457698816. Its totient is φ = 37964160.

The previous prime is 166481069. The next prime is 166481071. The reversal of 166481070 is 70184661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166481069) and next prime (166481071).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166481071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141585 + ... + 142755.

It is an arithmetic number, because the mean of its divisors is an integer number (7151544).

Almost surely, 2^166481070 is an apocalyptic number.

166481070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166481070 is an abundant number, since it is smaller than the sum of its proper divisors (291217746).

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

166481070 is a wasteful number, since it uses less digits than its factorization.

166481070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 166481070 is about 12902.7543571131. The cubic root of 166481070 is about 550.1168567128.

The spelling of 166481070 in words is "one hundred sixty-six million, four hundred eighty-one thousand, seventy".