6481598718 has 16 divisors (see below), whose sum is σ = 14815082880. Its totient is φ = 1851885336.

The previous prime is 6481598689. The next prime is 6481598719. The reversal of 6481598718 is 8178951846.

It is a super-2 number, since 2×6481598718² = 84022243882358487048, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481598719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77161848 + ... + 77161931.

It is an arithmetic number, because the mean of its divisors is an integer number (925942680).

Almost surely, 2^6481598718 is an apocalyptic number.

6481598718 is an abundant number, since it is smaller than the sum of its proper divisors (8333484162).

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

6481598718 is a wasteful number, since it uses less digits than its factorization.

6481598718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154323791.

The product of its digits is 3870720, while the sum is 57.

The square root of 6481598718 is about 80508.3766946024. The cubic root of 6481598718 is about 1864.4928115990.

It can be divided in two parts, 648 and 1598718, that added together give a triangular number (1599366 = T₁₇₈₈).

The spelling of 6481598718 in words is "six billion, four hundred eighty-one million, five hundred ninety-eight thousand, seven hundred eighteen".