194155283964 has 48 divisors (see below), whose sum is σ = 476928435200. Its totient is φ = 61305019776.

The previous prime is 194155283947. The next prime is 194155283977. The reversal of 194155283964 is 469382551491.

It is a super-2 number, since 2×194155283964² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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, 2106984 + ... + 2197200.

Almost surely, 2^194155283964 is an apocalyptic number.

It is an amenable number.

194155283964 is an abundant number, since it is smaller than the sum of its proper divisors (282773151236).

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

194155283964 is a wasteful number, since it uses less digits than its factorization.

194155283964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99682 (or 99680 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 57.

The spelling of 194155283964 in words is "one hundred ninety-four billion, one hundred fifty-five million, two hundred eighty-three thousand, nine hundred sixty-four".