166860922715136 has 1056 divisors, whose sum is σ = 560817648675648. Its totient is φ = 47320211128320.

The previous prime is 166860922715131. The next prime is 166860922715171. The reversal of 166860922715136 is 631517229068661.

It is a happy number.

166860922715136 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 6 + 0 + 92 + 27 + 1 + 513 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166860922715131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74591381410 + ... + 74591383646.

Almost surely, 2^{166860922715136} is an apocalyptic number.

166860922715136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166860922715136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280408824337824).

166860922715136 is an abundant number, since it is smaller than the sum of its proper divisors (393956725960512).

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

166860922715136 is a wasteful number, since it uses less digits than its factorization.

166860922715136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 166860922715136 in words is "one hundred sixty-six trillion, eight hundred sixty billion, nine hundred twenty-two million, seven hundred fifteen thousand, one hundred thirty-six".