6613197480 has 128 divisors (see below), whose sum is σ = 22373251200. Its totient is φ = 1737179136.

The previous prime is 6613197469. The next prime is 6613197491. The reversal of 6613197480 is 847913166.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6613197469) and next prime (6613197491).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26664 + ... + 118056.

It is an arithmetic number, because the mean of its divisors is an integer number (174791025).

Almost surely, 2^6613197480 is an apocalyptic number.

6613197480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6613197480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11186625600).

6613197480 is an abundant number, since it is smaller than the sum of its proper divisors (15760053720).

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

6613197480 is a wasteful number, since it uses less digits than its factorization.

6613197480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91480 (or 91470 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 6613197480 is about 81321.5683567404. The cubic root of 6613197480 is about 1877.0269024991.

The spelling of 6613197480 in words is "six billion, six hundred thirteen million, one hundred ninety-seven thousand, four hundred eighty".