6658463280 has 160 divisors (see below), whose sum is σ = 23613917184. Its totient is φ = 1520391168.

The previous prime is 6658463243. The next prime is 6658463293. The reversal of 6658463280 is 823648566.

It is a super-2 number, since 2×6658463280² = 88670266502216716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2910297 + ... + 2912583.

Almost surely, 2^6658463280 is an apocalyptic number.

6658463280 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 6658463280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11806958592).

6658463280 is an abundant number, since it is smaller than the sum of its proper divisors (16955453904).

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

6658463280 is a wasteful number, since it uses less digits than its factorization.

6658463280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 6658463280 is about 81599.4073507890. The cubic root of 6658463280 is about 1881.2997726665.

The spelling of 6658463280 in words is "six billion, six hundred fifty-eight million, four hundred sixty-three thousand, two hundred eighty".