8416310081 has 4 divisors (see below), whose sum is σ = 8706527700. Its totient is φ = 8126092464.

The previous prime is 8416310047. The next prime is 8416310101. The reversal of 8416310081 is 1800136148.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6583699600 + 1832610481 = 81140^2 + 42809^2 .

It is a cyclic number.

It is not a de Polignac number, because 8416310081 - 2⁶ = 8416310017 is a prime.

It is a super-2 number, since 2×8416310081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8416310041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145108766 + ... + 145108823.

It is an arithmetic number, because the mean of its divisors is an integer number (2176631925).

Almost surely, 2^8416310081 is an apocalyptic number.

It is an amenable number.

8416310081 is a deficient number, since it is larger than the sum of its proper divisors (290217619).

8416310081 is a wasteful number, since it uses less digits than its factorization.

8416310081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290217618.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 8416310081 is about 91740.4495356329. The cubic root of 8416310081 is about 2034.1075381601.

The spelling of 8416310081 in words is "eight billion, four hundred sixteen million, three hundred ten thousand, eighty-one".