2525169366720 has 3584 divisors, whose sum is σ = 12794226278400. Its totient is φ = 455243120640.

The previous prime is 2525169366661. The next prime is 2525169366743. The reversal of 2525169366720 is 276639615252.

It is a happy number.

2525169366720 is a `hidden beast` number, since 2 + 5 + 251 + 6 + 9 + 366 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 19883223297 + ... + 19883223423.

It is an arithmetic number, because the mean of its divisors is an integer number (3569817600).

Almost surely, 2^{2525169366720} is an apocalyptic number.

2525169366720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525169366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397113139200).

2525169366720 is an abundant number, since it is smaller than the sum of its proper divisors (10269056911680).

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

2525169366720 is a wasteful number, since it uses less digits than its factorization.

2525169366720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 2525169366720 in words is "two trillion, five hundred twenty-five billion, one hundred sixty-nine million, three hundred sixty-six thousand, seven hundred twenty".