16812766280816 has 40 divisors (see below), whose sum is σ = 35536323339264. Its totient is φ = 7642112909760.

The previous prime is 16812766280813. The next prime is 16812766280833. The reversal of 16812766280816 is 61808266721861.

It is a super-2 number, since 2×16812766280816² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812766280813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36017585 + ... + 36481391.

Almost surely, 2^{16812766280816} is an apocalyptic number.

16812766280816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16812766280816 is an abundant number, since it is smaller than the sum of its proper divisors (18723557058448).

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

16812766280816 is a wasteful number, since it uses less digits than its factorization.

16812766280816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669789 (or 669783 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 16812766280816 in words is "sixteen trillion, eight hundred twelve billion, seven hundred sixty-six million, two hundred eighty thousand, eight hundred sixteen".