819065016 has 96 divisors (see below), whose sum is σ = 2765692800. Its totient is φ = 212742720.

The previous prime is 819064997. The next prime is 819065059. The reversal of 819065016 is 610560918.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68326 + ... + 79413.

It is an arithmetic number, because the mean of its divisors is an integer number (28809300).

Almost surely, 2^819065016 is an apocalyptic number.

It is an amenable number.

819065016 is an abundant number, since it is smaller than the sum of its proper divisors (1946627784).

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

819065016 is a wasteful number, since it uses less digits than its factorization.

819065016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147769 (or 147762 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 819065016 is about 28619.3119414147. The cubic root of 819065016 is about 935.6342807475.

The spelling of 819065016 in words is "eight hundred nineteen million, sixty-five thousand, sixteen".