2021163060 has 96 divisors (see below), whose sum is σ = 6625527552. Its totient is φ = 450708480.

The previous prime is 2021163037. The next prime is 2021163113. The reversal of 2021163060 is 603611202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41467 + ... + 75906.

It is an arithmetic number, because the mean of its divisors is an integer number (69015912).

Almost surely, 2^2021163060 is an apocalyptic number.

2021163060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021163060 is an abundant number, since it is smaller than the sum of its proper divisors (4604364492).

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

2021163060 is a wasteful number, since it uses less digits than its factorization.

2021163060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117433 (or 117431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2021163060 is about 44957.3471192418. The cubic root of 2021163060 is about 1264.3494308777.

Adding to 2021163060 its reverse (603611202), we get a palindrome (2624774262).

The spelling of 2021163060 in words is "two billion, twenty-one million, one hundred sixty-three thousand, sixty".