194999825895264 has 144 divisors (see below), whose sum is σ = 597514572450432. Its totient is φ = 59967031578624.

The previous prime is 194999825895157. The next prime is 194999825895271. The reversal of 194999825895264 is 462598528999491.

194999825895264 is a `hidden beast` number, since 1 + 9 + 4 + 9 + 9 + 9 + 8 + 258 + 95 + 264 = 666.

194999825895264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7459737 + ... + 21110360.

It is an arithmetic number, because the mean of its divisors is an integer number (4149406753128).

Almost surely, 2^{194999825895264} is an apocalyptic number.

It is an amenable number.

194999825895264 is an abundant number, since it is smaller than the sum of its proper divisors (402514746555168).

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

194999825895264 is a wasteful number, since it uses less digits than its factorization.

194999825895264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28571949 (or 28571938 counting only the distinct ones).

The product of its digits is 36279705600, while the sum is 90.

The spelling of 194999825895264 in words is "one hundred ninety-four trillion, nine hundred ninety-nine billion, eight hundred twenty-five million, eight hundred ninety-five thousand, two hundred sixty-four".