9661627922 has 4 divisors (see below), whose sum is σ = 14492441886. Its totient is φ = 4830813960.

The previous prime is 9661627919. The next prime is 9661627967. The reversal of 9661627922 is 2297261669.

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

It can be written as a sum of positive squares in only one way, i.e., 7763195881 + 1898432041 = 88109^2 + 43571^2 .

It is a super-3 number, since 3×9661627922³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415406979 + ... + 2415406982.

Almost surely, 2^9661627922 is an apocalyptic number.

9661627922 is a deficient number, since it is larger than the sum of its proper divisors (4830813964).

9661627922 is a wasteful number, since it uses less digits than its factorization.

9661627922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830813963.

The product of its digits is 979776, while the sum is 50.

The square root of 9661627922 is about 98293.5802684997. The cubic root of 9661627922 is about 2129.8553188479.

The spelling of 9661627922 in words is "nine billion, six hundred sixty-one million, six hundred twenty-seven thousand, nine hundred twenty-two".