91419803374016 has 112 divisors (see below), whose sum is σ = 196514564535744. Its totient is φ = 41945718398976.

The previous prime is 91419803374007. The next prime is 91419803374019. The reversal of 91419803374016 is 61047330891419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91419803374019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827530381 + ... + 1827580403.

It is an arithmetic number, because the mean of its divisors is an integer number (1754594326212).

Almost surely, 2^{91419803374016} 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 91419803374016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98257282267872).

91419803374016 is an abundant number, since it is smaller than the sum of its proper divisors (105094761161728).

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

91419803374016 is a wasteful number, since it uses less digits than its factorization.

91419803374016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62918 (or 62908 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 91419803374016 in words is "ninety-one trillion, four hundred nineteen billion, eight hundred three million, three hundred seventy-four thousand, sixteen".