11570161716 has 96 divisors (see below), whose sum is σ = 31786836480. Its totient is φ = 3626929152.

The previous prime is 11570161711. The next prime is 11570161723. The reversal of 11570161716 is 61716107511.

11570161716 is a `hidden beast` number, since 1 + 1 + 570 + 16 + 1 + 71 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11570161711) 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, 3951445 + ... + 3954371.

It is an arithmetic number, because the mean of its divisors is an integer number (331112880).

Almost surely, 2^11570161716 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 11570161716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15893418240).

11570161716 is an abundant number, since it is smaller than the sum of its proper divisors (20216674764).

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

11570161716 is a wasteful number, since it uses less digits than its factorization.

11570161716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

The spelling of 11570161716 in words is "eleven billion, five hundred seventy million, one hundred sixty-one thousand, seven hundred sixteen".