166364462884 has 27 divisors (see below), whose sum is σ = 293990433681. Its totient is φ = 82375040880.

The previous prime is 166364462867. The next prime is 166364462903. The reversal of 166364462884 is 488264463661.

The square root of 166364462884 is 407878.

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

It can be written as a sum of positive squares in only one way, i.e., 115955232484 + 50409230400 = 340522^2 + 224520^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88916469 + ... + 88918339.

Almost surely, 2^166364462884 is an apocalyptic number.

166364462884 is the 407878-th square number.

It is an amenable number.

166364462884 is a deficient number, since it is larger than the sum of its proper divisors (127625970797).

166364462884 is an frugal number, since it uses more digits than its factorization.

166364462884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 1982 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 58.

The spelling of 166364462884 in words is "one hundred sixty-six billion, three hundred sixty-four million, four hundred sixty-two thousand, eight hundred eighty-four".