166698793050 has 48 divisors (see below), whose sum is σ = 415577544192. Its totient is φ = 44220265600.

The previous prime is 166698793043. The next prime is 166698793073. The reversal of 166698793050 is 50397896661.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2880579 + ... + 2937878.

It is an arithmetic number, because the mean of its divisors is an integer number (8657865504).

Almost surely, 2^166698793050 is an apocalyptic number.

166698793050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166698793050 is an abundant number, since it is smaller than the sum of its proper divisors (248878751142).

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

166698793050 is a wasteful number, since it uses less digits than its factorization.

166698793050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818663 (or 5818658 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 166698793050 in words is "one hundred sixty-six billion, six hundred ninety-eight million, seven hundred ninety-three thousand, fifty".