6525416456 has 64 divisors (see below), whose sum is σ = 13518247680. Its totient is φ = 2934167040.

The previous prime is 6525416431. The next prime is 6525416467. The reversal of 6525416456 is 6546145256.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106636 + ... + 1112516.

It is an arithmetic number, because the mean of its divisors is an integer number (211222620).

Almost surely, 2^6525416456 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 6525416456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6759123840).

6525416456 is an abundant number, since it is smaller than the sum of its proper divisors (6992831224).

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

6525416456 is a wasteful number, since it uses less digits than its factorization.

6525416456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6170 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The square root of 6525416456 is about 80780.0498638123. The cubic root of 6525416456 is about 1868.6849071990.

The spelling of 6525416456 in words is "six billion, five hundred twenty-five million, four hundred sixteen thousand, four hundred fifty-six".