959161840 has 160 divisors (see below), whose sum is σ = 2759823360. Its totient is φ = 301888512.

The previous prime is 959161823. The next prime is 959161849. The reversal of 959161840 is 48161959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959161849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2613337 + ... + 2613703.

It is an arithmetic number, because the mean of its divisors is an integer number (17248896).

Almost surely, 2^959161840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 959161840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379911680).

959161840 is an abundant number, since it is smaller than the sum of its proper divisors (1800661520).

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

959161840 is a wasteful number, since it uses less digits than its factorization.

959161840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 959161840 is about 30970.3380672540. The cubic root of 959161840 is about 986.1976516514.

The spelling of 959161840 in words is "nine hundred fifty-nine million, one hundred sixty-one thousand, eight hundred forty".