194648051584 has 96 divisors (see below), whose sum is σ = 456521675400. Its totient is φ = 82415305728.

The previous prime is 194648051537. The next prime is 194648051593. The reversal of 194648051584 is 485150846491.

194648051584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333622 + ... + 707530.

Almost surely, 2^194648051584 is an apocalyptic number.

194648051584 is a gapful number since it is divisible by the number (14) 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 194648051584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228260837700).

194648051584 is an abundant number, since it is smaller than the sum of its proper divisors (261873623816).

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

194648051584 is an equidigital number, since it uses as much as digits as its factorization.

194648051584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374020 (or 374001 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 194648051584 in words is "one hundred ninety-four billion, six hundred forty-eight million, fifty-one thousand, five hundred eighty-four".