24693608164 has 9 divisors (see below), whose sum is σ = 43214364291. Its totient is φ = 12346646940.

The previous prime is 24693608161. The next prime is 24693608209. The reversal of 24693608164 is 46180639642.

The square root of 24693608164 is 157142.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24693608161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 274999 + ... + 353569.

Almost surely, 2^24693608164 is an apocalyptic number.

24693608164 is the 157142-nd square number.

It is an amenable number.

24693608164 is a deficient number, since it is larger than the sum of its proper divisors (18520756127).

24693608164 is an frugal number, since it uses more digits than its factorization.

24693608164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157146 (or 78573 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

Multiplying 24693608164 by its sum of digits (49), we get a square (1209986800036 = 1099994²).

The spelling of 24693608164 in words is "twenty-four billion, six hundred ninety-three million, six hundred eight thousand, one hundred sixty-four".