816502461126 has 16 divisors (see below), whose sum is σ = 1781459915328. Its totient is φ = 247424988200.

The previous prime is 816502461119. The next prime is 816502461127. The reversal of 816502461126 is 621164205618.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816502461127) 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, 6185624640 + ... + 6185624771.

It is an arithmetic number, because the mean of its divisors is an integer number (111341244708).

Almost surely, 2^816502461126 is an apocalyptic number.

816502461126 is an abundant number, since it is smaller than the sum of its proper divisors (964957454202).

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

816502461126 is a wasteful number, since it uses less digits than its factorization.

816502461126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371249427.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 816502461126 in words is "eight hundred sixteen billion, five hundred two million, four hundred sixty-one thousand, one hundred twenty-six".