9804356161 has 16 divisors (see below), whose sum is σ = 10466513280. Its totient is φ = 9151891200.

The previous prime is 9804356153. The next prime is 9804356183. The reversal of 9804356161 is 1616534089.

It is a cyclic number.

It is not a de Polignac number, because 9804356161 - 2³ = 9804356153 is a prime.

It is a super-2 number, since 2×9804356161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9804356141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817310 + ... + 1822696.

It is an arithmetic number, because the mean of its divisors is an integer number (654157080).

Almost surely, 2^9804356161 is an apocalyptic number.

It is an amenable number.

9804356161 is a deficient number, since it is larger than the sum of its proper divisors (662157119).

9804356161 is a wasteful number, since it uses less digits than its factorization.

9804356161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9804356161 is about 99016.9488572537. The cubic root of 9804356161 is about 2140.2919915576.

The spelling of 9804356161 in words is "nine billion, eight hundred four million, three hundred fifty-six thousand, one hundred sixty-one".