91349424152 has 64 divisors (see below), whose sum is σ = 197751456000. Its totient is φ = 38749862016.

The previous prime is 91349424119. The next prime is 91349424167. The reversal of 91349424152 is 25142494319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537874 + ... + 7549982.

It is an arithmetic number, because the mean of its divisors is an integer number (3089866500).

Almost surely, 2^91349424152 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 91349424152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98875728000).

91349424152 is an abundant number, since it is smaller than the sum of its proper divisors (106402031848).

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

91349424152 is a wasteful number, since it uses less digits than its factorization.

91349424152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13488 (or 13484 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The spelling of 91349424152 in words is "ninety-one billion, three hundred forty-nine million, four hundred twenty-four thousand, one hundred fifty-two".