6351115620 has 48 divisors (see below), whose sum is σ = 17807707008. Its totient is φ = 1691289600.

The previous prime is 6351115591. The next prime is 6351115699. The reversal of 6351115620 is 265111536.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29181 + ... + 116420.

It is an arithmetic number, because the mean of its divisors is an integer number (370993896).

Almost surely, 2^6351115620 is an apocalyptic number.

6351115620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6351115620 is an abundant number, since it is smaller than the sum of its proper divisors (11456591388).

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

6351115620 is a wasteful number, since it uses less digits than its factorization.

6351115620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146340 (or 146338 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6351115620 is about 79693.8869675711. The cubic root of 6351115620 is about 1851.8963384299.

The spelling of 6351115620 in words is "six billion, three hundred fifty-one million, one hundred fifteen thousand, six hundred twenty".