194993660946 has 32 divisors (see below), whose sum is σ = 445745157120. Its totient is φ = 55706804496.

The previous prime is 194993660893. The next prime is 194993660963. The reversal of 194993660946 is 649066399491.

It is a super-2 number, since 2×194993660946² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190405 + ... + 652871.

It is an arithmetic number, because the mean of its divisors is an integer number (13929536160).

Almost surely, 2^194993660946 is an apocalyptic number.

194993660946 is an abundant number, since it is smaller than the sum of its proper divisors (250751496174).

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

194993660946 is a wasteful number, since it uses less digits than its factorization.

194993660946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472518.

The product of its (nonzero) digits is 68024448, while the sum is 66.

The spelling of 194993660946 in words is "one hundred ninety-four billion, nine hundred ninety-three million, six hundred sixty thousand, nine hundred forty-six".