91262160 has 320 divisors, whose sum is σ = 359976960. Its totient is φ = 21035520.

The previous prime is 91262153. The next prime is 91262167. The reversal of 91262160 is 6126219.

It is an interprime number because it is at equal distance from previous prime (91262153) and next prime (91262167).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91262167) 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 63 ways as a sum of consecutive naturals, for example, 546397 + ... + 546563.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^91262160 is an apocalyptic number.

91262160 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91262160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179988480).

91262160 is an abundant number, since it is smaller than the sum of its proper divisors (268714800).

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

91262160 is a wasteful number, since it uses less digits than its factorization.

91262160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 91262160 is about 9553.1230495582. The cubic root of 91262160 is about 450.2256645933.

Adding to 91262160 its reverse (6126219), we get a palindrome (97388379).

The spelling of 91262160 in words is "ninety-one million, two hundred sixty-two thousand, one hundred sixty".