6535258416 has 80 divisors (see below), whose sum is σ = 18773560320. Its totient is φ = 2176683840.

The previous prime is 6535258409. The next prime is 6535258417. The reversal of 6535258416 is 6148525356.

6535258416 is a `hidden beast` number, since 6 + 5 + 3 + 52 + 584 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (6535258417) 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, 609421 + ... + 620051.

It is an arithmetic number, because the mean of its divisors is an integer number (234669504).

Almost surely, 2^6535258416 is an apocalyptic number.

It is an amenable number.

6535258416 is an abundant number, since it is smaller than the sum of its proper divisors (12238301904).

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

6535258416 is a wasteful number, since it uses less digits than its factorization.

6535258416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071 (or 12059 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 6535258416 is about 80840.9451701302. The cubic root of 6535258416 is about 1869.6239166674.

The spelling of 6535258416 in words is "six billion, five hundred thirty-five million, two hundred fifty-eight thousand, four hundred sixteen".