816266176412 has 48 divisors (see below), whose sum is σ = 1570608107712. Its totient is φ = 369622609920.

The previous prime is 816266176387. The next prime is 816266176447. The reversal of 816266176412 is 214671662618.

816266176412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801808 + ... + 2208855.

It is an arithmetic number, because the mean of its divisors is an integer number (32721002244).

Almost surely, 2^816266176412 is an apocalyptic number.

816266176412 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

816266176412 is a deficient number, since it is larger than the sum of its proper divisors (754341931300).

816266176412 is a wasteful number, since it uses less digits than its factorization.

816266176412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010798 (or 4010796 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 816266176412 in words is "eight hundred sixteen billion, two hundred sixty-six million, one hundred seventy-six thousand, four hundred twelve".