2625457899168 has 144 divisors (see below), whose sum is σ = 8041107634560. Its totient is φ = 807768617472.

The previous prime is 2625457899151. The next prime is 2625457899199. The reversal of 2625457899168 is 8619987545262.

2625457899168 is a `hidden beast` number, since 2 + 6 + 2 + 5 + 457 + 8 + 9 + 9 + 168 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 2625457899096 and 2625457899105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70514605 + ... + 70551827.

It is an arithmetic number, because the mean of its divisors is an integer number (55841025240).

Almost surely, 2^{2625457899168} is an apocalyptic number.

It is an amenable number.

2625457899168 is an abundant number, since it is smaller than the sum of its proper divisors (5415649735392).

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

2625457899168 is a wasteful number, since it uses less digits than its factorization.

2625457899168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56091 (or 56080 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 2625457899168 in words is "two trillion, six hundred twenty-five billion, four hundred fifty-seven million, eight hundred ninety-nine thousand, one hundred sixty-eight".