9661128962 has 8 divisors (see below), whose sum is σ = 14991407100. Its totient is φ = 4663993264.

The previous prime is 9661128929. The next prime is 9661128973. The reversal of 9661128962 is 2698211669.

It can be written as a sum of positive squares in 2 ways, for example, as 9661120681 + 8281 = 98291^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9661128962.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83285537 + ... + 83285652.

Almost surely, 2^9661128962 is an apocalyptic number.

9661128962 is a deficient number, since it is larger than the sum of its proper divisors (5330278138).

9661128962 is a wasteful number, since it uses less digits than its factorization.

9661128962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166571220.

The product of its digits is 559872, while the sum is 50.

The square root of 9661128962 is about 98291.0421249058. The cubic root of 9661128962 is about 2129.8186538431.

The spelling of 9661128962 in words is "nine billion, six hundred sixty-one million, one hundred twenty-eight thousand, nine hundred sixty-two".