91674623436480 has 672 divisors, whose sum is σ = 376123482903168. Its totient is φ = 20057392742400.

The previous prime is 91674623436469. The next prime is 91674623436497. The reversal of 91674623436480 is 8463432647619.

91674623436480 is a `hidden beast` number, since 9 + 1 + 6 + 7 + 462 + 34 + 3 + 64 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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 95 ways as a sum of consecutive naturals, for example, 42761350 + ... + 44854010.

It is an arithmetic number, because the mean of its divisors is an integer number (559707563844).

Almost surely, 2^{91674623436480} is an apocalyptic number.

91674623436480 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 91674623436480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188061741451584).

91674623436480 is an abundant number, since it is smaller than the sum of its proper divisors (284448859466688).

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

91674623436480 is a wasteful number, since it uses less digits than its factorization.

91674623436480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092785 (or 2092772 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 63.

The spelling of 91674623436480 in words is "ninety-one trillion, six hundred seventy-four billion, six hundred twenty-three million, four hundred thirty-six thousand, four hundred eighty".