13416321078 has 24 divisors (see below), whose sum is σ = 30598627800. Its totient is φ = 4236732864.

The previous prime is 13416321067. The next prime is 13416321091. The reversal of 13416321078 is 87012361431.

It is a happy number.

13416321078 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 632 + 10 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19614163 + ... + 19614846.

It is an arithmetic number, because the mean of its divisors is an integer number (1274942825).

Almost surely, 2^13416321078 is an apocalyptic number.

13416321078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13416321078 is an abundant number, since it is smaller than the sum of its proper divisors (17182306722).

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

13416321078 is a wasteful number, since it uses less digits than its factorization.

13416321078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39229036 (or 39229033 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 13416321078 in words is "thirteen billion, four hundred sixteen million, three hundred twenty-one thousand, seventy-eight".