6121552672 has 48 divisors (see below), whose sum is σ = 12586855680. Its totient is φ = 2925125632.

The previous prime is 6121552669. The next prime is 6121552687. The reversal of 6121552672 is 2762551216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034073 + ... + 1039975.

It is an arithmetic number, because the mean of its divisors is an integer number (262226160).

Almost surely, 2^6121552672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6121552672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6293427840).

6121552672 is an abundant number, since it is smaller than the sum of its proper divisors (6465303008).

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

6121552672 is a wasteful number, since it uses less digits than its factorization.

6121552672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7337 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 6121552672 is about 78240.3519419487. The cubic root of 6121552672 is about 1829.3095299927.

The spelling of 6121552672 in words is "six billion, one hundred twenty-one million, five hundred fifty-two thousand, six hundred seventy-two".