2500164720 has 60 divisors (see below), whose sum is σ = 8396388936. Its totient is φ = 666710400.

The previous prime is 2500164691. The next prime is 2500164739. The reversal of 2500164720 is 274610052.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735506 + ... + 1736945.

Almost surely, 2^2500164720 is an apocalyptic number.

2500164720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500164720 is an abundant number, since it is smaller than the sum of its proper divisors (5896224216).

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

2500164720 is a wasteful number, since it uses less digits than its factorization.

2500164720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472470 (or 3472461 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2500164720 is about 50001.6471728682. The cubic root of 2500164720 is about 1357.2386155675.

Adding to 2500164720 its reverse (274610052), we get a palindrome (2774774772).

The spelling of 2500164720 in words is "two billion, five hundred million, one hundred sixty-four thousand, seven hundred twenty".