166370672 has 20 divisors (see below), whose sum is σ = 347139240. Its totient is φ = 76786368.

The previous prime is 166370671. The next prime is 166370693. The reversal of 166370672 is 276073661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166370671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399722 + ... + 400137.

It is an arithmetic number, because the mean of its divisors is an integer number (17356962).

Almost surely, 2^166370672 is an apocalyptic number.

It is an amenable number.

166370672 is an abundant number, since it is smaller than the sum of its proper divisors (180768568).

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

166370672 is a wasteful number, since it uses less digits than its factorization.

166370672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799880 (or 799874 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 166370672 is about 12898.4755688415. The cubic root of 166370672 is about 549.9952308126.

The spelling of 166370672 in words is "one hundred sixty-six million, three hundred seventy thousand, six hundred seventy-two".