166928337 has 8 divisors (see below), whose sum is σ = 247301280. Its totient is φ = 111285540.

The previous prime is 166928329. The next prime is 166928339. The reversal of 166928337 is 733829661.

It is not a de Polignac number, because 166928337 - 2³ = 166928329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166928292 and 166928301.

It is not an unprimeable number, because it can be changed into a prime (166928339) by changing a digit.

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, 3091239 + ... + 3091292.

It is an arithmetic number, because the mean of its divisors is an integer number (30912660).

Almost surely, 2^166928337 is an apocalyptic number.

It is an amenable number.

166928337 is a deficient number, since it is larger than the sum of its proper divisors (80372943).

166928337 is an equidigital number, since it uses as much as digits as its factorization.

166928337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182540 (or 6182534 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 166928337 is about 12920.0749610828. The cubic root of 166928337 is about 550.6090630234.

The spelling of 166928337 in words is "one hundred sixty-six million, nine hundred twenty-eight thousand, three hundred thirty-seven".