816264073734 has 16 divisors (see below), whose sum is σ = 1676650530288. Its totient is φ = 264734294112.

The previous prime is 816264073693. The next prime is 816264073789. The reversal of 816264073734 is 437370462618.

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 7 ways as a sum of consecutive naturals, for example, 1838432377 + ... + 1838432820.

It is an arithmetic number, because the mean of its divisors is an integer number (104790658143).

Almost surely, 2^816264073734 is an apocalyptic number.

816264073734 is an abundant number, since it is smaller than the sum of its proper divisors (860386456554).

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

816264073734 is a wasteful number, since it uses less digits than its factorization.

816264073734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676865239.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 816264073734 in words is "eight hundred sixteen billion, two hundred sixty-four million, seventy-three thousand, seven hundred thirty-four".