816748536734 has 64 divisors (see below), whose sum is σ = 1371686400000. Its totient is φ = 362144496000.

The previous prime is 816748536733. The next prime is 816748536787. The reversal of 816748536734 is 437635847618.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816748536733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283690307 + ... + 283693185.

It is an arithmetic number, because the mean of its divisors is an integer number (21432600000).

Almost surely, 2^816748536734 is an apocalyptic number.

816748536734 is a deficient number, since it is larger than the sum of its proper divisors (554937863266).

816748536734 is a wasteful number, since it uses less digits than its factorization.

816748536734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673.

The product of its digits is 81285120, while the sum is 62.

The spelling of 816748536734 in words is "eight hundred sixteen billion, seven hundred forty-eight million, five hundred thirty-six thousand, seven hundred thirty-four".