194368066863 has 32 divisors (see below), whose sum is σ = 262254999552. Its totient is φ = 128041430400.

The previous prime is 194368066861. The next prime is 194368066903. The reversal of 194368066863 is 368660863491.

It is not a de Polignac number, because 194368066863 - 2¹ = 194368066861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194368066797 and 194368066806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194368066861) 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, 81976068 + ... + 81978438.

It is an arithmetic number, because the mean of its divisors is an integer number (8195468736).

Almost surely, 2^194368066863 is an apocalyptic number.

194368066863 is a deficient number, since it is larger than the sum of its proper divisors (67886932689).

194368066863 is a wasteful number, since it uses less digits than its factorization.

194368066863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 194368066863 in words is "one hundred ninety-four billion, three hundred sixty-eight million, sixty-six thousand, eight hundred sixty-three".