6513306198 has 32 divisors (see below), whose sum is σ = 15534844416. Its totient is φ = 1780033728.

The previous prime is 6513306193. The next prime is 6513306199. The reversal of 6513306198 is 8916033156.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513306193) 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, 3370311 + ... + 3372242.

It is an arithmetic number, because the mean of its divisors is an integer number (485463888).

Almost surely, 2^6513306198 is an apocalyptic number.

6513306198 is an abundant number, since it is smaller than the sum of its proper divisors (9021538218).

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

6513306198 is a wasteful number, since it uses less digits than its factorization.

6513306198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742588.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 6513306198 is about 80705.0568304118. The cubic root of 6513306198 is about 1867.5281856074.

The spelling of 6513306198 in words is "six billion, five hundred thirteen million, three hundred six thousand, one hundred ninety-eight".