166870896 has 20 divisors (see below), whose sum is σ = 431083272. Its totient is φ = 55623616.

The previous prime is 166870883. The next prime is 166870903. The reversal of 166870896 is 698078661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738191 + ... + 1738286.

Almost surely, 2^166870896 is an apocalyptic number.

166870896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166870896 is an abundant number, since it is smaller than the sum of its proper divisors (264212376).

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

166870896 is a wasteful number, since it uses less digits than its factorization.

166870896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476488 (or 3476482 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 166870896 is about 12917.8518337996. The cubic root of 166870896 is about 550.5458998637.

The spelling of 166870896 in words is "one hundred sixty-six million, eight hundred seventy thousand, eight hundred ninety-six".