91052160 has 128 divisors (see below), whose sum is σ = 296697600. Its totient is φ = 23740416.

The previous prime is 91052131. The next prime is 91052167. The reversal of 91052160 is 6125019.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 91052160.

It is not an unprimeable number, because it can be changed into a prime (91052167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89736 + ... + 90744.

It is an arithmetic number, because the mean of its divisors is an integer number (2317950).

Almost surely, 2^91052160 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 91052160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148348800).

91052160 is an abundant number, since it is smaller than the sum of its proper divisors (205645440).

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

91052160 is a wasteful number, since it uses less digits than its factorization.

91052160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 91052160 is about 9542.1255493732. The cubic root of 91052160 is about 449.8800668039.

Adding to 91052160 its reverse (6125019), we get a palindrome (97177179).

The spelling of 91052160 in words is "ninety-one million, fifty-two thousand, one hundred sixty".