194159221529748 has 48 divisors (see below), whose sum is σ = 469659410228736. Its totient is φ = 62363200020480.

The previous prime is 194159221529701. The next prime is 194159221529753. The reversal of 194159221529748 is 847925122951491.

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, 1119942061 + ... + 1120115412.

It is an arithmetic number, because the mean of its divisors is an integer number (9784571046432).

Almost surely, 2^{194159221529748} is an apocalyptic number.

It is an amenable number.

194159221529748 is an abundant number, since it is smaller than the sum of its proper divisors (275500188698988).

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

194159221529748 is a wasteful number, since it uses less digits than its factorization.

194159221529748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240057744 (or 2240057742 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 69.

The spelling of 194159221529748 in words is "one hundred ninety-four trillion, one hundred fifty-nine billion, two hundred twenty-one million, five hundred twenty-nine thousand, seven hundred forty-eight".