8168336412 has 12 divisors (see below), whose sum is σ = 19059451656. Its totient is φ = 2722778800.

The previous prime is 8168336399. The next prime is 8168336437. The reversal of 8168336412 is 2146338618.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340347339 + ... + 340347362.

It is an arithmetic number, because the mean of its divisors is an integer number (1588287638).

Almost surely, 2^8168336412 is an apocalyptic number.

It is an amenable number.

8168336412 is an abundant number, since it is smaller than the sum of its proper divisors (10891115244).

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

8168336412 is a wasteful number, since it uses less digits than its factorization.

8168336412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680694708 (or 680694706 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 8168336412 is about 90378.8493620050. The cubic root of 8168336412 is about 2013.9307757849.

The spelling of 8168336412 in words is "eight billion, one hundred sixty-eight million, three hundred thirty-six thousand, four hundred twelve".