816486548874 has 32 divisors (see below), whose sum is σ = 1735410583296. Its totient is φ = 255207421440.

The previous prime is 816486548861. The next prime is 816486548893. The reversal of 816486548874 is 478845684618.

It is a junction number, because it is equal to n+sod(n) for n = 816486548799 and 816486548808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14741307 + ... + 14796590.

It is an arithmetic number, because the mean of its divisors is an integer number (54231580728).

Almost surely, 2^816486548874 is an apocalyptic number.

816486548874 is an abundant number, since it is smaller than the sum of its proper divisors (918924034422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816486548874 is a wasteful number, since it uses less digits than its factorization.

816486548874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538190.

The product of its digits is 330301440, while the sum is 69.

The spelling of 816486548874 in words is "eight hundred sixteen billion, four hundred eighty-six million, five hundred forty-eight thousand, eight hundred seventy-four".