166672070 has 16 divisors (see below), whose sum is σ = 300304368. Its totient is φ = 66603360.

The previous prime is 166672039. The next prime is 166672073. The reversal of 166672070 is 70276661.

It is a self number, because there is not a number n which added to its sum of digits gives 166672070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166672073) 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, 3272 + ... + 18548.

It is an arithmetic number, because the mean of its divisors is an integer number (18769023).

Almost surely, 2^166672070 is an apocalyptic number.

166672070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166672070 is a deficient number, since it is larger than the sum of its proper divisors (133632298).

166672070 is a wasteful number, since it uses less digits than its factorization.

166672070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 166672070 is about 12910.1537558621. The cubic root of 166672070 is about 550.3271552227.

The spelling of 166672070 in words is "one hundred sixty-six million, six hundred seventy-two thousand, seventy".