91416211288 has 32 divisors (see below), whose sum is σ = 176059719360. Its totient is φ = 44483392800.

The previous prime is 91416211283. The next prime is 91416211297. The reversal of 91416211288 is 88211261419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91416211283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982938 + ... + 1071913.

It is an arithmetic number, because the mean of its divisors is an integer number (5501866230).

Almost surely, 2^91416211288 is an apocalyptic number.

It is an amenable number.

91416211288 is a deficient number, since it is larger than the sum of its proper divisors (84643508072).

91416211288 is a wasteful number, since it uses less digits than its factorization.

91416211288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055007 (or 2055003 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The spelling of 91416211288 in words is "ninety-one billion, four hundred sixteen million, two hundred eleven thousand, two hundred eighty-eight".