993163261 has 8 divisors (see below), whose sum is σ = 1030723200. Its totient is φ = 955824240.

The previous prime is 993163247. The next prime is 993163267. The reversal of 993163261 is 162361399.

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

It is a cyclic number.

It is not a de Polignac number, because 993163261 - 2⁵ = 993163229 is a prime.

It is a super-3 number, since 3×993163261³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993163267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46041 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (128840400).

Almost surely, 2^993163261 is an apocalyptic number.

It is an amenable number.

993163261 is a deficient number, since it is larger than the sum of its proper divisors (37559939).

993163261 is a wasteful number, since it uses less digits than its factorization.

993163261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110459.

The product of its digits is 52488, while the sum is 40.

The square root of 993163261 is about 31514.4928723278. The cubic root of 993163261 is about 997.7158737395.

The spelling of 993163261 in words is "nine hundred ninety-three million, one hundred sixty-three thousand, two hundred sixty-one".