168309010 has 16 divisors (see below), whose sum is σ = 320777496. Its totient is φ = 63363328.

The previous prime is 168308999. The next prime is 168309023. The reversal of 168309010 is 10903861.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136960209 + 31348801 = 11703^2 + 5599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168309010.

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, 494857 + ... + 495196.

Almost surely, 2^168309010 is an apocalyptic number.

168309010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168309010 is a deficient number, since it is larger than the sum of its proper divisors (152468486).

168309010 is a wasteful number, since it uses less digits than its factorization.

168309010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990077.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 168309010 is about 12973.3962399982. The cubic root of 168309010 is about 552.1229356695.

The spelling of 168309010 in words is "one hundred sixty-eight million, three hundred nine thousand, ten".