2016500642 has 32 divisors (see below), whose sum is σ = 3284088192. Its totient is φ = 923111424.

The previous prime is 2016500641. The next prime is 2016500677. The reversal of 2016500642 is 2460056102.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2016500641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050883 + ... + 2051865.

It is an arithmetic number, because the mean of its divisors is an integer number (102627756).

Almost surely, 2^2016500642 is an apocalyptic number.

2016500642 is a deficient number, since it is larger than the sum of its proper divisors (1267587550).

2016500642 is a wasteful number, since it uses less digits than its factorization.

2016500642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2016500642 is about 44905.4633869867. The cubic root of 2016500642 is about 1263.3764821362.

Adding to 2016500642 its reverse (2460056102), we get a palindrome (4476556744).

The spelling of 2016500642 in words is "two billion, sixteen million, five hundred thousand, six hundred forty-two".