816196742059 has 8 divisors (see below), whose sum is σ = 838821413360. Its totient is φ = 793601823456.

The previous prime is 816196742057. The next prime is 816196742089. The reversal of 816196742059 is 950247691618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 816196742059 - 2¹ = 816196742057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816196741994 and 816196742012.

It is not an unprimeable number, because it can be changed into a prime (816196742057) 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, 7382544 + ... + 7492285.

It is an arithmetic number, because the mean of its divisors is an integer number (104852676670).

Almost surely, 2^816196742059 is an apocalyptic number.

816196742059 is a deficient number, since it is larger than the sum of its proper divisors (22624671301).

816196742059 is a wasteful number, since it uses less digits than its factorization.

816196742059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876349.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 816196742059 in words is "eight hundred sixteen billion, one hundred ninety-six million, seven hundred forty-two thousand, fifty-nine".