2016603145 has 8 divisors (see below), whose sum is σ = 2420212104. Its totient is φ = 1613090304.

The previous prime is 2016603139. The next prime is 2016603151. The reversal of 2016603145 is 5413066102.

It is an interprime number because it is at equal distance from previous prime (2016603139) and next prime (2016603151).

It can be written as a sum of positive squares in 4 ways, for example, as 39200121 + 1977403024 = 6261^2 + 44468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2016603145 - 2²¹ = 2014505993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35577 + ... + 72793.

It is an arithmetic number, because the mean of its divisors is an integer number (302526513).

Almost surely, 2^2016603145 is an apocalyptic number.

It is an amenable number.

2016603145 is a deficient number, since it is larger than the sum of its proper divisors (403608959).

2016603145 is a wasteful number, since it uses less digits than its factorization.

2016603145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48059.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2016603145 is about 44906.6046924058. The cubic root of 2016603145 is about 1263.3978884746.

Adding to 2016603145 its reverse (5413066102), we get a palindrome (7429669247).

The spelling of 2016603145 in words is "two billion, sixteen million, six hundred three thousand, one hundred forty-five".