168162325776 has 105 divisors (see below), whose sum is σ = 488626980181. Its totient is φ = 56039345856.

The previous prime is 168162325759. The next prime is 168162325783. The reversal of 168162325776 is 677523261861.

The square root of 168162325776 is 410076.

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

168162325776 is a `hidden beast` number, since 1 + 6 + 8 + 1 + 62 + 3 + 2 + 577 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2207120400 + 165955205376 = 46980^2 + 407376^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 44286310 + ... + 44290106.

Almost surely, 2^168162325776 is an apocalyptic number.

168162325776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

168162325776 is the 410076-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168162325776

168162325776 is an abundant number, since it is smaller than the sum of its proper divisors (320464654405).

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

168162325776 is an frugal number, since it uses more digits than its factorization.

168162325776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620 (or 3802 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 168162325776 in words is "one hundred sixty-eight billion, one hundred sixty-two million, three hundred twenty-five thousand, seven hundred seventy-six".