168070056690 has 16 divisors (see below), whose sum is σ = 403368136128. Its totient is φ = 44818681776.

The previous prime is 168070056653. The next prime is 168070056701. The reversal of 168070056690 is 96650070861.

It is a super-2 number, since 2×168070056690² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801167582 + ... + 2801167641.

It is an arithmetic number, because the mean of its divisors is an integer number (25210508508).

Almost surely, 2^168070056690 is an apocalyptic number.

168070056690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168070056690 is an abundant number, since it is smaller than the sum of its proper divisors (235298079438).

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

168070056690 is a wasteful number, since it uses less digits than its factorization.

168070056690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602335233.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 168070056690 in words is "one hundred sixty-eight billion, seventy million, fifty-six thousand, six hundred ninety".