166168370 has 32 divisors (see below), whose sum is σ = 326923776. Its totient is φ = 60537600.

The previous prime is 166168351. The next prime is 166168393. The reversal of 166168370 is 73861661.

It is a super-2 number, since 2×166168370² = 55223854376913800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10496 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (10216368).

Almost surely, 2^166168370 is an apocalyptic number.

166168370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166168370 is a deficient number, since it is larger than the sum of its proper divisors (160755406).

166168370 is a wasteful number, since it uses less digits than its factorization.

166168370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31586.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 166168370 is about 12890.6310939380. The cubic root of 166168370 is about 549.7722142141.

The spelling of 166168370 in words is "one hundred sixty-six million, one hundred sixty-eight thousand, three hundred seventy".