194147361408 has 1536 divisors, whose sum is σ = 769055454720. Its totient is φ = 42042654720.

The previous prime is 194147361389. The next prime is 194147361413. The reversal of 194147361408 is 804163741491.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2659552860 + ... + 2659552932.

It is an arithmetic number, because the mean of its divisors is an integer number (500687145).

Almost surely, 2^194147361408 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 194147361408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384527727360).

194147361408 is an abundant number, since it is smaller than the sum of its proper divisors (574908093312).

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

194147361408 is a wasteful number, since it uses less digits than its factorization.

194147361408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

It can be divided in two parts, 194147 and 361408, that added together give a palindrome (555555).

The spelling of 194147361408 in words is "one hundred ninety-four billion, one hundred forty-seven million, three hundred sixty-one thousand, four hundred eight".