916319461 has 4 divisors (see below), whose sum is σ = 917073612. Its totient is φ = 915565312.

The previous prime is 916319447. The next prime is 916319527. The reversal of 916319461 is 164913619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164913619 = 13 ⋅12685663.

It can be written as a sum of positive squares in 2 ways, for example, as 240839361 + 675480100 = 15519^2 + 25990^2 .

It is a cyclic number.

It is not a de Polignac number, because 916319461 - 2¹³ = 916311269 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916319401) 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 3 ways as a sum of consecutive naturals, for example, 375250 + ... + 377683.

It is an arithmetic number, because the mean of its divisors is an integer number (229268403).

Almost surely, 2^916319461 is an apocalyptic number.

It is an amenable number.

916319461 is a deficient number, since it is larger than the sum of its proper divisors (754151).

916319461 is a wasteful number, since it uses less digits than its factorization.

916319461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754150.

The product of its digits is 34992, while the sum is 40.

The square root of 916319461 is about 30270.7690850431. The cubic root of 916319461 is about 971.2901177729.

The spelling of 916319461 in words is "nine hundred sixteen million, three hundred nineteen thousand, four hundred sixty-one".