816760699465 has 16 divisors (see below), whose sum is σ = 1044127828800. Its totient is φ = 611560573632.

The previous prime is 816760699451. The next prime is 816760699553. The reversal of 816760699465 is 564996067618.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816760699465 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 816760699465.

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, 51784170 + ... + 51799939.

It is an arithmetic number, because the mean of its divisors is an integer number (65257989300).

Almost surely, 2^816760699465 is an apocalyptic number.

It is an amenable number.

816760699465 is a deficient number, since it is larger than the sum of its proper divisors (227367129335).

816760699465 is a wasteful number, since it uses less digits than its factorization.

816760699465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103584216.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 816760699465 in words is "eight hundred sixteen billion, seven hundred sixty million, six hundred ninety-nine thousand, four hundred sixty-five".