166190260 has 24 divisors (see below), whose sum is σ = 352265760. Its totient is φ = 65853984.

The previous prime is 166190257. The next prime is 166190293. The reversal of 166190260 is 62091661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36690 + ... + 40969.

It is an arithmetic number, because the mean of its divisors is an integer number (14677740).

Almost surely, 2^166190260 is an apocalyptic number.

166190260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166190260 is an abundant number, since it is smaller than the sum of its proper divisors (186075500).

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

166190260 is a wasteful number, since it uses less digits than its factorization.

166190260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77775 (or 77773 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 166190260 is about 12891.4801322424. The cubic root of 166190260 is about 549.7963543586.

The spelling of 166190260 in words is "one hundred sixty-six million, one hundred ninety thousand, two hundred sixty".