168470862290 has 16 divisors (see below), whose sum is σ = 310299821568. Its totient is φ = 65821173936.

The previous prime is 168470862283. The next prime is 168470862311. The reversal of 168470862290 is 92268074861.

It is a super-2 number, since 2×168470862290² (a number of 23 digits) contains 22 as substring.

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, 195895922 + ... + 195896781.

It is an arithmetic number, because the mean of its divisors is an integer number (19393738848).

Almost surely, 2^168470862290 is an apocalyptic number.

168470862290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168470862290 is a deficient number, since it is larger than the sum of its proper divisors (141828959278).

168470862290 is a wasteful number, since it uses less digits than its factorization.

168470862290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391792753.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 168470862290 in words is "one hundred sixty-eight billion, four hundred seventy million, eight hundred sixty-two thousand, two hundred ninety".