166280070 has 32 divisors (see below), whose sum is σ = 435352320. Its totient is φ = 40310240.

The previous prime is 166280047. The next prime is 166280071. The reversal of 166280070 is 70082661.

It is a happy number.

166280070 is digitally balanced in base 3, 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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166280071) 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, 251610 + ... + 252269.

It is an arithmetic number, because the mean of its divisors is an integer number (13604760).

Almost surely, 2^166280070 is an apocalyptic number.

166280070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166280070 is an abundant number, since it is smaller than the sum of its proper divisors (269072250).

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

166280070 is a wasteful number, since it uses less digits than its factorization.

166280070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503900.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 166280070 is about 12894.9629700903. The cubic root of 166280070 is about 549.8953740378.

The spelling of 166280070 in words is "one hundred sixty-six million, two hundred eighty thousand, seventy".