166549130 has 32 divisors (see below), whose sum is σ = 327818880. Its totient is φ = 60419520.

The previous prime is 166549129. The next prime is 166549147. The reversal of 166549130 is 31945661.

It is a super-2 number, since 2×166549130² = 55477225407513800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52016 + ... + 55124.

It is an arithmetic number, because the mean of its divisors is an integer number (10244340).

Almost surely, 2^166549130 is an apocalyptic number.

166549130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166549130 is a deficient number, since it is larger than the sum of its proper divisors (161269750).

166549130 is a wasteful number, since it uses less digits than its factorization.

166549130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 166549130 is about 12905.3915089779. The cubic root of 166549130 is about 550.1918118859.

The spelling of 166549130 in words is "one hundred sixty-six million, five hundred forty-nine thousand, one hundred thirty".