194663232930816 has 352 divisors, whose sum is σ = 623038464917120. Its totient is φ = 59684700192768.

The previous prime is 194663232930811. The next prime is 194663232930821. The reversal of 194663232930816 is 618039232366491.

194663232930816 is a `hidden beast` number, since 1 + 9 + 4 + 6 + 6 + 323 + 293 + 0 + 8 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (194663232930811) and next prime (194663232930821).

It is a super-3 number, since 3×194663232930816³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (194663232930811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100760106 + ... + 102673878.

Almost surely, 2^{194663232930816} is an apocalyptic number.

194663232930816 is a gapful number since it is divisible by the number (16) 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 194663232930816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311519232458560).

194663232930816 is an abundant number, since it is smaller than the sum of its proper divisors (428375231986304).

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

194663232930816 is a wasteful number, since it uses less digits than its factorization.

194663232930816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914098 (or 1914074 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 63.

The spelling of 194663232930816 in words is "one hundred ninety-four trillion, six hundred sixty-three billion, two hundred thirty-two million, nine hundred thirty thousand, eight hundred sixteen".