6281061156 has 72 divisors (see below), whose sum is σ = 16534662144. Its totient is φ = 2008177920.

The previous prime is 6281061103. The next prime is 6281061181. The reversal of 6281061156 is 6511601826.

6281061156 is a `hidden beast` number, since 6 + 28 + 10 + 611 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6281061156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101205 + ... + 151011.

Almost surely, 2^6281061156 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 6281061156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8267331072).

6281061156 is an abundant number, since it is smaller than the sum of its proper divisors (10253600988).

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

6281061156 is a wasteful number, since it uses less digits than its factorization.

6281061156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49961 (or 49956 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 6281061156 is about 79253.1460321923. The cubic root of 6281061156 is about 1845.0621822302.

The spelling of 6281061156 in words is "six billion, two hundred eighty-one million, sixty-one thousand, one hundred fifty-six".