91798983360 has 1344 divisors, whose sum is σ = 398775936000. Its totient is φ = 19313344512.

The previous prime is 91798983359. The next prime is 91798983439. The reversal of 91798983360 is 6338989719.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1257520284 + ... + 1257520356.

Almost surely, 2^91798983360 is an apocalyptic number.

91798983360 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 91798983360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199387968000).

91798983360 is an abundant number, since it is smaller than the sum of its proper divisors (306976952640).

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

91798983360 is a wasteful number, since it uses less digits than its factorization.

91798983360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 91798983360 in words is "ninety-one billion, seven hundred ninety-eight million, nine hundred eighty-three thousand, three hundred sixty".