6413156123918 has 16 divisors (see below), whose sum is σ = 9743538264000. Its totient is φ = 3165326996832.

The previous prime is 6413156123911. The next prime is 6413156124043. The reversal of 6413156123918 is 8193216513146.

It is a super-2 number, since 2×6413156123918² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413156123911) 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, 3481133 + ... + 4994456.

It is an arithmetic number, because the mean of its divisors is an integer number (608971141500).

Almost surely, 2^{6413156123918} is an apocalyptic number.

6413156123918 is a deficient number, since it is larger than the sum of its proper divisors (3330382140082).

6413156123918 is a wasteful number, since it uses less digits than its factorization.

6413156123918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480459.

The product of its digits is 933120, while the sum is 50.

The spelling of 6413156123918 in words is "six trillion, four hundred thirteen billion, one hundred fifty-six million, one hundred twenty-three thousand, nine hundred eighteen".