9647671662 has 12 divisors (see below), whose sum is σ = 20903288640. Its totient is φ = 3215890548.

The previous prime is 9647671661. The next prime is 9647671669. The reversal of 9647671662 is 2661767469.

9647671662 is a `hidden beast` number, since 9 + 6 + 476 + 7 + 166 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9647671599 and 9647671608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9647671661) 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 5 ways as a sum of consecutive naturals, for example, 267990862 + ... + 267990897.

It is an arithmetic number, because the mean of its divisors is an integer number (1741940720).

Almost surely, 2^9647671662 is an apocalyptic number.

9647671662 is an abundant number, since it is smaller than the sum of its proper divisors (11255616978).

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

9647671662 is a wasteful number, since it uses less digits than its factorization.

9647671662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535981767 (or 535981764 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 9647671662 is about 98222.5618786234. The cubic root of 9647671662 is about 2128.8292964955.

The spelling of 9647671662 in words is "nine billion, six hundred forty-seven million, six hundred seventy-one thousand, six hundred sixty-two".