194104633632 has 384 divisors, whose sum is σ = 639814371840. Its totient is φ = 50463129600.

The previous prime is 194104633627. The next prime is 194104633651. The reversal of 194104633632 is 236336401491.

It is a super-2 number, since 2×194104633632² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107775132 + ... + 107776932.

It is an arithmetic number, because the mean of its divisors is an integer number (1666183260).

Almost surely, 2^194104633632 is an apocalyptic number.

194104633632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194104633632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319907185920).

194104633632 is an abundant number, since it is smaller than the sum of its proper divisors (445709738208).

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

194104633632 is a wasteful number, since it uses less digits than its factorization.

194104633632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 194104633632 in words is "one hundred ninety-four billion, one hundred four million, six hundred thirty-three thousand, six hundred thirty-two".