9902160191 has 8 divisors (see below), whose sum is σ = 12345550464. Its totient is φ = 7715968920.

The previous prime is 9902160167. The next prime is 9902160197. The reversal of 9902160191 is 1910612099.

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

It is a de Polignac number, because none of the positive numbers 2^k-9902160191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902160197) 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, 64299665 + ... + 64299818.

It is an arithmetic number, because the mean of its divisors is an integer number (1543193808).

Almost surely, 2^9902160191 is an apocalyptic number.

9902160191 is a deficient number, since it is larger than the sum of its proper divisors (2443390273).

9902160191 is a wasteful number, since it uses less digits than its factorization.

9902160191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128599501.

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 9902160191 is about 99509.5984867792. The cubic root of 9902160191 is about 2147.3853335912.

The spelling of 9902160191 in words is "nine billion, nine hundred two million, one hundred sixty thousand, one hundred ninety-one".