316189476491 has 24 divisors (see below), whose sum is σ = 376880084784. Its totient is φ = 264341387520.

The previous prime is 316189476451. The next prime is 316189476511. The reversal of 316189476491 is 194674981613.

It is a happy number.

It is not a de Polignac number, because 316189476491 - 2¹⁸ = 316189214347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316189476491.

It is not an unprimeable number, because it can be changed into a prime (316189476451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8747231 + ... + 8783303.

It is an arithmetic number, because the mean of its divisors is an integer number (15703336866).

Almost surely, 2^316189476491 is an apocalyptic number.

316189476491 is a deficient number, since it is larger than the sum of its proper divisors (60690608293).

316189476491 is a wasteful number, since it uses less digits than its factorization.

316189476491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40491 (or 40484 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The spelling of 316189476491 in words is "three hundred sixteen billion, one hundred eighty-nine million, four hundred seventy-six thousand, four hundred ninety-one".