194116922881915 has 8 divisors (see below), whose sum is σ = 254116699045488. Its totient is φ = 141175943914080.

The previous prime is 194116922881831. The next prime is 194116922881927. The reversal of 194116922881915 is 519188229611491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194116922881915 - 2¹⁹ = 194116922357627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764699298872 + ... + 1764699298981.

It is an arithmetic number, because the mean of its divisors is an integer number (31764587380686).

Almost surely, 2^{194116922881915} is an apocalyptic number.

194116922881915 is a deficient number, since it is larger than the sum of its proper divisors (59999776163573).

194116922881915 is a wasteful number, since it uses less digits than its factorization.

194116922881915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529398597869.

The product of its digits is 22394880, while the sum is 67.

The spelling of 194116922881915 in words is "one hundred ninety-four trillion, one hundred sixteen billion, nine hundred twenty-two million, eight hundred eighty-one thousand, nine hundred fifteen".