166299244198 has 32 divisors (see below), whose sum is σ = 256031345088. Its totient is φ = 80985744000.

The previous prime is 166299244187. The next prime is 166299244273. The reversal of 166299244198 is 891442992661.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

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, 5825536 + ... + 5854012.

It is an arithmetic number, because the mean of its divisors is an integer number (8000979534).

Almost surely, 2^166299244198 is an apocalyptic number.

166299244198 is a deficient number, since it is larger than the sum of its proper divisors (89732100890).

166299244198 is a wasteful number, since it uses less digits than its factorization.

166299244198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29008.

The product of its digits is 13436928, while the sum is 61.

The spelling of 166299244198 in words is "one hundred sixty-six billion, two hundred ninety-nine million, two hundred forty-four thousand, one hundred ninety-eight".