166945796 has 6 divisors (see below), whose sum is σ = 292155150. Its totient is φ = 83472896.

The previous prime is 166945789. The next prime is 166945847. The reversal of 166945796 is 697549661.

It can be written as a sum of positive squares in only one way, i.e., 150945796 + 16000000 = 12286^2 + 4000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20868221 + ... + 20868228.

It is an arithmetic number, because the mean of its divisors is an integer number (48692525).

Almost surely, 2^166945796 is an apocalyptic number.

It is an amenable number.

166945796 is a deficient number, since it is larger than the sum of its proper divisors (125209354).

166945796 is a wasteful number, since it uses less digits than its factorization.

166945796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41736453 (or 41736451 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 166945796 is about 12920.7505973918. The cubic root of 166945796 is about 550.6282583833.

The spelling of 166945796 in words is "one hundred sixty-six million, nine hundred forty-five thousand, seven hundred ninety-six".