6501625920 has 112 divisors (see below), whose sum is σ = 22936321920. Its totient is φ = 1733764608.

The previous prime is 6501625919. The next prime is 6501625927. The reversal of 6501625920 is 295261056.

6501625920 is a `hidden beast` number, since 6 + 5 + 0 + 1 + 62 + 592 + 0 = 666.

It is a super-2 number, since 2×6501625920² = 84542279207231692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6501625927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367612 + ... + 384891.

Almost surely, 2^6501625920 is an apocalyptic number.

6501625920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6501625920 is an abundant number, since it is smaller than the sum of its proper divisors (16434696000).

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

6501625920 is a wasteful number, since it uses less digits than its factorization.

6501625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752529 (or 752513 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6501625920 is about 80632.6603802702. The cubic root of 6501625920 is about 1866.4111747828.

Adding to 6501625920 its reverse (295261056), we get a palindrome (6796886976).

The spelling of 6501625920 in words is "six billion, five hundred one million, six hundred twenty-five thousand, nine hundred twenty".