6158865966 has 16 divisors (see below), whose sum is σ = 13437525888. Its totient is φ = 1866323000.

The previous prime is 6158865943. The next prime is 6158865967. The reversal of 6158865966 is 6695688516.

It is a happy number.

It is a super-2 number, since 2×6158865966² = 75863259974306226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6158865967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46658010 + ... + 46658141.

It is an arithmetic number, because the mean of its divisors is an integer number (839845368).

Almost surely, 2^6158865966 is an apocalyptic number.

6158865966 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6158865966 is an abundant number, since it is smaller than the sum of its proper divisors (7278659922).

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

6158865966 is a wasteful number, since it uses less digits than its factorization.

6158865966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93316167.

The product of its digits is 18662400, while the sum is 60.

The square root of 6158865966 is about 78478.4426833255. The cubic root of 6158865966 is about 1833.0187929877.

The spelling of 6158865966 in words is "six billion, one hundred fifty-eight million, eight hundred sixty-five thousand, nine hundred sixty-six".