194061289632 has 96 divisors (see below), whose sum is σ = 602259235200. Its totient is φ = 53534143488.

The previous prime is 194061289627. The next prime is 194061289633. The reversal of 194061289632 is 236982160491.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (194061289633) 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 15 ways as a sum of consecutive naturals, for example, 4959507 + ... + 4998482.

It is an arithmetic number, because the mean of its divisors is an integer number (6273533700).

Almost surely, 2^194061289632 is an apocalyptic number.

194061289632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194061289632 is an abundant number, since it is smaller than the sum of its proper divisors (408197945568).

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

194061289632 is a wasteful number, since it uses less digits than its factorization.

194061289632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958038 (or 9958030 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 194061289632 in words is "one hundred ninety-four billion, sixty-one million, two hundred eighty-nine thousand, six hundred thirty-two".