816315714501 has 16 divisors (see below), whose sum is σ = 1297992689664. Its totient is φ = 446184986544.

The previous prime is 816315714499. The next prime is 816315714541. The reversal of 816315714501 is 105417513618.

It is not a de Polignac number, because 816315714501 - 2¹ = 816315714499 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816315714541) 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 15 ways as a sum of consecutive naturals, for example, 845046841 + ... + 845047806.

It is an arithmetic number, because the mean of its divisors is an integer number (81124543104).

Almost surely, 2^816315714501 is an apocalyptic number.

It is an amenable number.

816315714501 is a deficient number, since it is larger than the sum of its proper divisors (481676975163).

816315714501 is a wasteful number, since it uses less digits than its factorization.

816315714501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690094680.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 816315714501 in words is "eight hundred sixteen billion, three hundred fifteen million, seven hundred fourteen thousand, five hundred one".