166245860 has 24 divisors (see below), whose sum is σ = 380854656. Its totient is φ = 60452960.

The previous prime is 166245853. The next prime is 166245883. The reversal of 166245860 is 68542661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377612 + ... + 378051.

It is an arithmetic number, because the mean of its divisors is an integer number (15868944).

Almost surely, 2^166245860 is an apocalyptic number.

166245860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166245860 is an abundant number, since it is smaller than the sum of its proper divisors (214608796).

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

166245860 is a wasteful number, since it uses less digits than its factorization.

166245860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755683 (or 755681 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 166245860 is about 12893.6364149141. The cubic root of 166245860 is about 549.8576601354.

The spelling of 166245860 in words is "one hundred sixty-six million, two hundred forty-five thousand, eight hundred sixty".