164493514084 has 27 divisors (see below), whose sum is σ = 290021681131. Its totient is φ = 81634739840.

The previous prime is 164493514043. The next prime is 164493514093. The reversal of 164493514084 is 480415394461.

The square root of 164493514084 is 405578.

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

It can be written as a sum of positive squares in 4 ways, for example, as 84087240484 + 80406273600 = 289978^2 + 283560^2 .

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, 120861564 + ... + 120862924.

Almost surely, 2^164493514084 is an apocalyptic number.

164493514084 is the 405578-th square number.

It is an amenable number.

164493514084 is a deficient number, since it is larger than the sum of its proper divisors (125528167047).

164493514084 is an frugal number, since it uses more digits than its factorization.

164493514084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

Multiplying 164493514084 by its sum of digits (49), we get a square (8060182190116 = 2839046²).

The spelling of 164493514084 in words is "one hundred sixty-four billion, four hundred ninety-three million, five hundred fourteen thousand, eighty-four".