6158536644 has 24 divisors (see below), whose sum is σ = 15475297600. Its totient is φ = 1894934304.

The previous prime is 6158536627. The next prime is 6158536679. The reversal of 6158536644 is 4466358516.

It is a junction number, because it is equal to n+sod(n) for n = 6158536593 and 6158536602.

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, 19738744 + ... + 19739055.

Almost surely, 2^6158536644 is an apocalyptic number.

It is an amenable number.

6158536644 is an abundant number, since it is smaller than the sum of its proper divisors (9316760956).

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

6158536644 is a wasteful number, since it uses less digits than its factorization.

6158536644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39477819 (or 39477817 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 6158536644 is about 78476.3444867305. The cubic root of 6158536644 is about 1832.9861211626.

The spelling of 6158536644 in words is "six billion, one hundred fifty-eight million, five hundred thirty-six thousand, six hundred forty-four".