6537685000 has 160 divisors (see below), whose sum is σ = 19098636480. Its totient is φ = 2037600000.

The previous prime is 6537684961. The next prime is 6537685031. The reversal of 6537685000 is 5867356.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376510 + ... + 393490.

It is an arithmetic number, because the mean of its divisors is an integer number (119366478).

Almost surely, 2^6537685000 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 6537685000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9549318240).

6537685000 is an abundant number, since it is smaller than the sum of its proper divisors (12560951480).

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

6537685000 is a wasteful number, since it uses less digits than its factorization.

6537685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025 (or 17006 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 6537685000 is about 80855.9521618539. The cubic root of 6537685000 is about 1869.8552892107.

The spelling of 6537685000 in words is "six billion, five hundred thirty-seven million, six hundred eighty-five thousand".