166312258596 has 243 divisors, whose sum is σ = 477780436497. Its totient is φ = 48741929280.

The previous prime is 166312258589. The next prime is 166312258613. The reversal of 166312258596 is 695852213661.

The square root of 166312258596 is 407814.

It is a perfect power (a square), and thus also a powerful number.

166312258596 is a `hidden beast` number, since 1 + 6 + 6 + 31 + 22 + 585 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148818492900 + 17493765696 = 385770^2 + 132264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 995881705 + ... + 995881871.

Almost surely, 2^166312258596 is an apocalyptic number.

166312258596 is the 407814-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166312258596

166312258596 is an abundant number, since it is smaller than the sum of its proper divisors (311468177901).

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

166312258596 is a wasteful number, since it uses less digits than its factorization.

166312258596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 220 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 166312258596 in words is "one hundred sixty-six billion, three hundred twelve million, two hundred fifty-eight thousand, five hundred ninety-six".