6155816416 has 72 divisors (see below), whose sum is σ = 13414965984. Its totient is φ = 2770775040.

The previous prime is 6155816357. The next prime is 6155816437. The reversal of 6155816416 is 6146185516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277081 + ... + 298471.

It is an arithmetic number, because the mean of its divisors is an integer number (186318972).

Almost surely, 2^6155816416 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 6155816416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6707482992).

6155816416 is an abundant number, since it is smaller than the sum of its proper divisors (7259149568).

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

6155816416 is a wasteful number, since it uses less digits than its factorization.

6155816416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21464 (or 21433 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 6155816416 is about 78459.0110567295. The cubic root of 6155816416 is about 1832.7162045268.

The spelling of 6155816416 in words is "six billion, one hundred fifty-five million, eight hundred sixteen thousand, four hundred sixteen".