194955957 has 48 divisors (see below), whose sum is σ = 339537600. Its totient is φ = 110224800.

The previous prime is 194955947. The next prime is 194955973. The reversal of 194955957 is 759559491.

194955957 is a `hidden beast` number, since 1 + 9 + 49 + 5 + 595 + 7 = 666.

It is not a de Polignac number, because 194955957 - 2⁷ = 194955829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194955947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132894 + ... + 134352.

It is an arithmetic number, because the mean of its divisors is an integer number (7073700).

Almost surely, 2^194955957 is an apocalyptic number.

It is an amenable number.

194955957 is a deficient number, since it is larger than the sum of its proper divisors (144581643).

194955957 is a wasteful number, since it uses less digits than its factorization.

194955957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1570 counting only the distinct ones).

The product of its digits is 2551500, while the sum is 54.

The square root of 194955957 is about 13962.6629623435. The cubic root of 194955957 is about 579.8453382704.

It can be divided in two parts, 19495 and 5957, that added together give a palindrome (25452).

The spelling of 194955957 in words is "one hundred ninety-four million, nine hundred fifty-five thousand, nine hundred fifty-seven".