1894502633016 has 128 divisors (see below), whose sum is σ = 5438278517760. Its totient is φ = 538747545600.

The previous prime is 1894502633011. The next prime is 1894502633017. The reversal of 1894502633016 is 6103362054981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894502633011) 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 31 ways as a sum of consecutive naturals, for example, 80842821 + ... + 80866251.

It is an arithmetic number, because the mean of its divisors is an integer number (42486550920).

Almost surely, 2^{1894502633016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894502633016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2719139258880).

1894502633016 is an abundant number, since it is smaller than the sum of its proper divisors (3543775884744).

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

1894502633016 is a wasteful number, since it uses less digits than its factorization.

1894502633016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25685 (or 25681 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

Adding to 1894502633016 its reverse (6103362054981), we get a palindrome (7997864687997).

The spelling of 1894502633016 in words is "one trillion, eight hundred ninety-four billion, five hundred two million, six hundred thirty-three thousand, sixteen".