91623782486016 has 832 divisors, whose sum is σ = 307093019351040. Its totient is φ = 26750753832960.

The previous prime is 91623782485999. The next prime is 91623782486017. The reversal of 91623782486016 is 61068428732619.

91623782486016 is a `hidden beast` number, since 9 + 1 + 6 + 2 + 378 + 248 + 6 + 0 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (91623782486017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4636117351 + ... + 4636137113.

It is an arithmetic number, because the mean of its divisors is an integer number (369102186720).

Almost surely, 2^{91623782486016} is an apocalyptic number.

91623782486016 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 91623782486016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153546509675520).

91623782486016 is an abundant number, since it is smaller than the sum of its proper divisors (215469236865024).

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

91623782486016 is a wasteful number, since it uses less digits than its factorization.

91623782486016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19947 (or 19919 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 91623782486016 in words is "ninety-one trillion, six hundred twenty-three billion, seven hundred eighty-two million, four hundred eighty-six thousand, sixteen".