168764970 has 32 divisors (see below), whose sum is σ = 441858240. Its totient is φ = 40912640.

The previous prime is 168764963. The next prime is 168764971. The reversal of 168764970 is 79467861.

It is not an unprimeable number, because it can be changed into a prime (168764971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255375 + ... + 256034.

It is an arithmetic number, because the mean of its divisors is an integer number (13808070).

Almost surely, 2^168764970 is an apocalyptic number.

168764970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168764970 is an abundant number, since it is smaller than the sum of its proper divisors (273093270).

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

168764970 is a wasteful number, since it uses less digits than its factorization.

168764970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511430.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 168764970 is about 12990.9572395571. The cubic root of 168764970 is about 552.6210650393.

The spelling of 168764970 in words is "one hundred sixty-eight million, seven hundred sixty-four thousand, nine hundred seventy".