166790286064 has 40 divisors (see below), whose sum is σ = 337259664000. Its totient is φ = 79756678848.

The previous prime is 166790286043. The next prime is 166790286101. The reversal of 166790286064 is 460682097661.

It is a super-2 number, since 2×166790286064² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166790285996 and 166790286014.

It is a congruent number.

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, 2553687 + ... + 2618185.

It is an arithmetic number, because the mean of its divisors is an integer number (8431491600).

Almost surely, 2^166790286064 is an apocalyptic number.

It is an amenable number.

166790286064 is an abundant number, since it is smaller than the sum of its proper divisors (170469377936).

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

166790286064 is a wasteful number, since it uses less digits than its factorization.

166790286064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71557 (or 71551 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 166790286064 in words is "one hundred sixty-six billion, seven hundred ninety million, two hundred eighty-six thousand, sixty-four".