6530167980 has 216 divisors, whose sum is σ = 23396065056. Its totient is φ = 1444193280.

The previous prime is 6530167979. The next prime is 6530168089. The reversal of 6530167980 is 897610356.

It is a happy number.

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 71 ways as a sum of consecutive naturals, for example, 1208164 + ... + 1213556.

It is an arithmetic number, because the mean of its divisors is an integer number (108315116).

Almost surely, 2^6530167980 is an apocalyptic number.

6530167980 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 6530167980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11698032528).

6530167980 is an abundant number, since it is smaller than the sum of its proper divisors (16865897076).

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

6530167980 is a wasteful number, since it uses less digits than its factorization.

6530167980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477 (or 5441 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6530167980 is about 80809.4547686098. The cubic root of 6530167980 is about 1869.1383621364.

The spelling of 6530167980 in words is "six billion, five hundred thirty million, one hundred sixty-seven thousand, nine hundred eighty".