2101516662 has 32 divisors (see below), whose sum is σ = 4814208000. Its totient is φ = 599090688.

The previous prime is 2101516657. The next prime is 2101516663. The reversal of 2101516662 is 2666151012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101516663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36862 + ... + 74577.

It is an arithmetic number, because the mean of its divisors is an integer number (150444000).

Almost surely, 2^2101516662 is an apocalyptic number.

2101516662 is an abundant number, since it is smaller than the sum of its proper divisors (2712691338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101516662 is a wasteful number, since it uses less digits than its factorization.

2101516662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111900.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2101516662 is about 45842.3021018797. The cubic root of 2101516662 is about 1280.8873774285.

Adding to 2101516662 its reverse (2666151012), we get a palindrome (4767667674).

The spelling of 2101516662 in words is "two billion, one hundred one million, five hundred sixteen thousand, six hundred sixty-two".