91734529536 has 480 divisors, whose sum is σ = 302783120640. Its totient is φ = 27548688384.

The previous prime is 91734529511. The next prime is 91734529541. The reversal of 91734529536 is 63592543719.

91734529536 is a `hidden beast` number, since 9 + 1 + 7 + 345 + 295 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69547885 + ... + 69549203.

It is an arithmetic number, because the mean of its divisors is an integer number (630798168).

Almost surely, 2^91734529536 is an apocalyptic number.

91734529536 is a gapful number since it is divisible by the number (96) 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 91734529536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151391560320).

91734529536 is an abundant number, since it is smaller than the sum of its proper divisors (211048591104).

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

91734529536 is a wasteful number, since it uses less digits than its factorization.

91734529536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1380 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The spelling of 91734529536 in words is "ninety-one billion, seven hundred thirty-four million, five hundred twenty-nine thousand, five hundred thirty-six".