6159904542 has 288 divisors, whose sum is σ = 16415983584. Its totient is φ = 1660538880.

The previous prime is 6159904523. The next prime is 6159904561. The reversal of 6159904542 is 2454099516.

6159904542 is a `hidden beast` number, since 6 + 1 + 599 + 0 + 4 + 54 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6159904523) and next prime (6159904561).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 84382218 + ... + 84382290.

It is an arithmetic number, because the mean of its divisors is an integer number (56999943).

Almost surely, 2^6159904542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6159904542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8207991792).

6159904542 is an abundant number, since it is smaller than the sum of its proper divisors (10256079042).

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

6159904542 is a wasteful number, since it uses less digits than its factorization.

6159904542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 6159904542 is about 78485.0593552684. The cubic root of 6159904542 is about 1833.1218218211.

The spelling of 6159904542 in words is "six billion, one hundred fifty-nine million, nine hundred four thousand, five hundred forty-two".