2016936945 has 24 divisors (see below), whose sum is σ = 3503013696. Its totient is φ = 1073549088.

The previous prime is 2016936941. The next prime is 2016937009. The reversal of 2016936945 is 5496396102.

It is not a de Polignac number, because 2016936945 - 2² = 2016936941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2016936945.

It is not an unprimeable number, because it can be changed into a prime (2016936941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21919 + ... + 67188.

It is an arithmetic number, because the mean of its divisors is an integer number (145958904).

Almost surely, 2^2016936945 is an apocalyptic number.

It is an amenable number.

2016936945 is a deficient number, since it is larger than the sum of its proper divisors (1486076751).

2016936945 is a wasteful number, since it uses less digits than its factorization.

2016936945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89621 (or 89618 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2016936945 is about 44910.3211411364. The cubic root of 2016936945 is about 1263.4675929758.

It can be divided in two parts, 2016 and 936945, that added together give a square (938961 = 969²).

The spelling of 2016936945 in words is "two billion, sixteen million, nine hundred thirty-six thousand, nine hundred forty-five".