194023530516 has 96 divisors (see below), whose sum is σ = 479995407360. Its totient is φ = 60828413184.

The previous prime is 194023530509. The next prime is 194023530527. The reversal of 194023530516 is 615035320491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36283755 + ... + 36289101.

It is an arithmetic number, because the mean of its divisors is an integer number (4999952160).

Almost surely, 2^194023530516 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 194023530516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239997703680).

194023530516 is an abundant number, since it is smaller than the sum of its proper divisors (285971876844).

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

194023530516 is a wasteful number, since it uses less digits than its factorization.

194023530516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493 (or 6491 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 194023530516 in words is "one hundred ninety-four billion, twenty-three million, five hundred thirty thousand, five hundred sixteen".