6925661503488 has 720 divisors, whose sum is σ = 24819971576400. Its totient is φ = 1812165820416.

The previous prime is 6925661503471. The next prime is 6925661503531. The reversal of 6925661503488 is 8843051665296.

It is a happy number.

6925661503488 is a `hidden beast` number, since 6 + 9 + 2 + 5 + 6 + 615 + 0 + 3 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×6925661503488² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54532767681 + ... + 54532767807.

It is an arithmetic number, because the mean of its divisors is an integer number (34472182745).

Almost surely, 2^{6925661503488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6925661503488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12409985788200).

6925661503488 is an abundant number, since it is smaller than the sum of its proper divisors (17894310072912).

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

6925661503488 is an frugal number, since it uses more digits than its factorization.

6925661503488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 6925661503488 in words is "six trillion, nine hundred twenty-five billion, six hundred sixty-one million, five hundred three thousand, four hundred eighty-eight".