6507420552 has 128 divisors (see below), whose sum is σ = 18708480000. Its totient is φ = 2093636160.

The previous prime is 6507420551. The next prime is 6507420587. The reversal of 6507420552 is 2550247056.

6507420552 is a `hidden beast` number, since 65 + 0 + 7 + 42 + 0 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6507420551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3099199 + ... + 3101297.

It is an arithmetic number, because the mean of its divisors is an integer number (146160000).

Almost surely, 2^6507420552 is an apocalyptic number.

6507420552 is a gapful number since it is divisible by the number (62) 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 6507420552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9354240000).

6507420552 is an abundant number, since it is smaller than the sum of its proper divisors (12201059448).

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

6507420552 is a wasteful number, since it uses less digits than its factorization.

6507420552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 6507420552 is about 80668.5846659032. The cubic root of 6507420552 is about 1866.9654953279.

The spelling of 6507420552 in words is "six billion, five hundred seven million, four hundred twenty thousand, five hundred fifty-two".