166510788696 has 256 divisors, whose sum is σ = 537014016000. Its totient is φ = 46820229120.

The previous prime is 166510788683. The next prime is 166510788817. The reversal of 166510788696 is 696887015661.

It is a super-2 number, since 2×166510788696² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82552680 + ... + 82554696.

It is an arithmetic number, because the mean of its divisors is an integer number (2097711000).

Almost surely, 2^166510788696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166510788696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268507008000).

166510788696 is an abundant number, since it is smaller than the sum of its proper divisors (370503227304).

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

166510788696 is a wasteful number, since it uses less digits than its factorization.

166510788696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 166510788696 in words is "one hundred sixty-six billion, five hundred ten million, seven hundred eighty-eight thousand, six hundred ninety-six".