816385082 has 16 divisors (see below), whose sum is σ = 1245670272. Its totient is φ = 401172720.

The previous prime is 816385079. The next prime is 816385123. The reversal of 816385082 is 280583618.

It is a super-2 number, since 2×816385082² = 1332969204224293448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223523 + ... + 227145.

It is an arithmetic number, because the mean of its divisors is an integer number (77854392).

Almost surely, 2^816385082 is an apocalyptic number.

816385082 is a deficient number, since it is larger than the sum of its proper divisors (429285190).

816385082 is a wasteful number, since it uses less digits than its factorization.

816385082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 816385082 is about 28572.4532023416. The cubic root of 816385082 is about 934.6127184438.

The spelling of 816385082 in words is "eight hundred sixteen million, three hundred eighty-five thousand, eighty-two".