816202849 has 12 divisors (see below), whose sum is σ = 1035775728. Its totient is φ = 636001800.

The previous prime is 816202819. The next prime is 816202859. The reversal of 816202849 is 948202618.

It is not a de Polignac number, because 816202849 - 2¹³ = 816194657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816202819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756607 + ... + 757684.

It is an arithmetic number, because the mean of its divisors is an integer number (86314644).

Almost surely, 2^816202849 is an apocalyptic number.

It is an amenable number.

816202849 is a deficient number, since it is larger than the sum of its proper divisors (219572879).

816202849 is a wasteful number, since it uses less digits than its factorization.

816202849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514316 (or 1514309 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 816202849 is about 28569.2640612250. The cubic root of 816202849 is about 934.5431720342.

The spelling of 816202849 in words is "eight hundred sixteen million, two hundred two thousand, eight hundred forty-nine".