2028172616 has 16 divisors (see below), whose sum is σ = 3804330240. Its totient is φ = 1013684560.

The previous prime is 2028172603. The next prime is 2028172639. The reversal of 2028172616 is 6162718202.

It is a super-2 number, since 2×2028172616² = 8226968320584566912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28196 + ... + 69651.

It is an arithmetic number, because the mean of its divisors is an integer number (237770640).

Almost surely, 2^2028172616 is an apocalyptic number.

It is an amenable number.

2028172616 is a deficient number, since it is larger than the sum of its proper divisors (1776157624).

2028172616 is a wasteful number, since it uses less digits than its factorization.

2028172616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100444 (or 100440 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2028172616 is about 45035.2374924347. The cubic root of 2028172616 is about 1265.8093662797.

The spelling of 2028172616 in words is "two billion, twenty-eight million, one hundred seventy-two thousand, six hundred sixteen".