16781158104 has 32 divisors (see below), whose sum is σ = 41993648640. Its totient is φ = 5588285600.

The previous prime is 16781158091. The next prime is 16781158129. The reversal of 16781158104 is 40185118761.

16781158104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16781158104² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314352 + ... + 363839.

It is an arithmetic number, because the mean of its divisors is an integer number (1312301520).

Almost surely, 2^16781158104 is an apocalyptic number.

It is an amenable number.

16781158104 is an abundant number, since it is smaller than the sum of its proper divisors (25212490536).

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

16781158104 is a wasteful number, since it uses less digits than its factorization.

16781158104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679231 (or 679227 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 16781158104 in words is "sixteen billion, seven hundred eighty-one million, one hundred fifty-eight thousand, one hundred four".