194677435164 has 12 divisors (see below), whose sum is σ = 454247348744. Its totient is φ = 64892478384.

The previous prime is 194677435151. The next prime is 194677435171. The reversal of 194677435164 is 461534776491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8111559787 + ... + 8111559810.

Almost surely, 2^194677435164 is an apocalyptic number.

It is an amenable number.

194677435164 is an abundant number, since it is smaller than the sum of its proper divisors (259569913580).

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

194677435164 is a wasteful number, since it uses less digits than its factorization.

194677435164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16223119604 (or 16223119602 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 194677435164 in words is "one hundred ninety-four billion, six hundred seventy-seven million, four hundred thirty-five thousand, one hundred sixty-four".