2845406221016 has 16 divisors (see below), whose sum is σ = 5350511703240. Its totient is φ = 1418603100160.

The previous prime is 2845406221001. The next prime is 2845406221019. The reversal of 2845406221016 is 6101226045482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845406221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512498345 + ... + 512503896.

Almost surely, 2^{2845406221016} is an apocalyptic number.

It is an amenable number.

2845406221016 is a deficient number, since it is larger than the sum of its proper divisors (2505105482224).

2845406221016 is a wasteful number, since it uses less digits than its factorization.

2845406221016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025002594 (or 1025002590 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 2845406221016 in words is "two trillion, eight hundred forty-five billion, four hundred six million, two hundred twenty-one thousand, sixteen".