6158065572 has 72 divisors (see below), whose sum is σ = 15783669720. Its totient is φ = 2024140800.

The previous prime is 6158065513. The next prime is 6158065591. The reversal of 6158065572 is 2755608516.

6158065572 is a `hidden beast` number, since 6 + 1 + 580 + 65 + 5 + 7 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3004793856 + 3153271716 = 54816^2 + 56154^2 .

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, 1282408 + ... + 1287200.

It is an arithmetic number, because the mean of its divisors is an integer number (219217635).

Almost surely, 2^6158065572 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 6158065572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7891834860).

6158065572 is an abundant number, since it is smaller than the sum of its proper divisors (9625604148).

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

6158065572 is a wasteful number, since it uses less digits than its factorization.

6158065572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 6158065572 is about 78473.3430662923. The cubic root of 6158065572 is about 1832.9393843860.

The spelling of 6158065572 in words is "six billion, one hundred fifty-eight million, sixty-five thousand, five hundred seventy-two".