6156530420 has 24 divisors (see below), whose sum is σ = 13054239744. Its totient is φ = 2438702496.

The previous prime is 6156530417. The next prime is 6156530477. The reversal of 6156530420 is 240356516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492244 + ... + 1496363.

It is an arithmetic number, because the mean of its divisors is an integer number (543926656).

Almost surely, 2^6156530420 is an apocalyptic number.

It is an amenable number.

6156530420 is an abundant number, since it is smaller than the sum of its proper divisors (6897709324).

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

6156530420 is a wasteful number, since it uses less digits than its factorization.

6156530420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988719 (or 2988717 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 6156530420 is about 78463.5610968557. The cubic root of 6156530420 is about 1832.7870597973.

Adding to 6156530420 its reverse (240356516), we get a palindrome (6396886936).

The spelling of 6156530420 in words is "six billion, one hundred fifty-six million, five hundred thirty thousand, four hundred twenty".