166937045 has 12 divisors (see below), whose sum is σ = 220192140. Its totient is φ = 121408320.

The previous prime is 166937039. The next prime is 166937123. The reversal of 166937045 is 540739661.

It can be written as a sum of positive squares in 2 ways, for example, as 65189476 + 101747569 = 8074^2 + 10087^2 .

It is not a de Polignac number, because 166937045 - 2¹² = 166932949 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166936993 and 166937011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137360 + ... + 138569.

It is an arithmetic number, because the mean of its divisors is an integer number (18349345).

Almost surely, 2^166937045 is an apocalyptic number.

It is an amenable number.

166937045 is a deficient number, since it is larger than the sum of its proper divisors (53255095).

166937045 is a wasteful number, since it uses less digits than its factorization.

166937045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275956 (or 275945 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 166937045 is about 12920.4119516368. The cubic root of 166937045 is about 550.6186372324.

The spelling of 166937045 in words is "one hundred sixty-six million, nine hundred thirty-seven thousand, forty-five".