971226160 has 80 divisors (see below), whose sum is σ = 2308352256. Its totient is φ = 379944704.

The previous prime is 971226127. The next prime is 971226161. The reversal of 971226160 is 61622179.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (971226161) 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, 709797 + ... + 711163.

Almost surely, 2^971226160 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 971226160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154176128).

971226160 is an abundant number, since it is smaller than the sum of its proper divisors (1337126096).

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

971226160 is a wasteful number, since it uses less digits than its factorization.

971226160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 971226160 is about 31164.5016003786. The cubic root of 971226160 is about 990.3152279848.

The spelling of 971226160 in words is "nine hundred seventy-one million, two hundred twenty-six thousand, one hundred sixty".