3874481145516 has 12 divisors (see below), whose sum is σ = 9040456006232. Its totient is φ = 1291493715168.

The previous prime is 3874481145511. The next prime is 3874481145539. The reversal of 3874481145516 is 6155411844783.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3874481145511) 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 3 ways as a sum of consecutive naturals, for example, 161436714385 + ... + 161436714408.

Almost surely, 2^{3874481145516} is an apocalyptic number.

It is an amenable number.

3874481145516 is an abundant number, since it is smaller than the sum of its proper divisors (5165974860716).

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

3874481145516 is a wasteful number, since it uses less digits than its factorization.

3874481145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322873428800 (or 322873428798 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 3874481145516 in words is "three trillion, eight hundred seventy-four billion, four hundred eighty-one million, one hundred forty-five thousand, five hundred sixteen".