9161001340 has 24 divisors (see below), whose sum is σ = 19279673280. Its totient is φ = 3656482368.

The previous prime is 9161001307. The next prime is 9161001341. The reversal of 9161001340 is 431001619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161001341) 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, 485395 + ... + 503914.

It is an arithmetic number, because the mean of its divisors is an integer number (803319720).

Almost surely, 2^9161001340 is an apocalyptic number.

It is an amenable number.

9161001340 is an abundant number, since it is smaller than the sum of its proper divisors (10118671940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9161001340 is a wasteful number, since it uses less digits than its factorization.

9161001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989781 (or 989779 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9161001340 is about 95713.1199992979. The cubic root of 9161001340 is about 2092.4141528757.

Adding to 9161001340 its reverse (431001619), we get a palindrome (9592002959).

The spelling of 9161001340 in words is "nine billion, one hundred sixty-one million, one thousand, three hundred forty".