815066325963 has 12 divisors (see below), whose sum is σ = 1177968142728. Its totient is φ = 543077496960.

The previous prime is 815066325929. The next prime is 815066325971. The reversal of 815066325963 is 369523660518.

It is a happy number.

815066325963 is a `hidden beast` number, since 8 + 15 + 0 + 6 + 6 + 32 + 596 + 3 = 666.

It is not a de Polignac number, because 815066325963 - 2¹³ = 815066317771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (815066325973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24987270 + ... + 25019867.

It is an arithmetic number, because the mean of its divisors is an integer number (98164011894).

Almost surely, 2^815066325963 is an apocalyptic number.

815066325963 is a deficient number, since it is larger than the sum of its proper divisors (362901816765).

815066325963 is a wasteful number, since it uses less digits than its factorization.

815066325963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50008954 (or 50008951 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 815066325963 in words is "eight hundred fifteen billion, sixty-six million, three hundred twenty-five thousand, nine hundred sixty-three".