2123161062 has 32 divisors (see below), whose sum is σ = 4666184064. Its totient is φ = 638683200.

The previous prime is 2123161037. The next prime is 2123161069. The reversal of 2123161062 is 2601613212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123161069) 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, 108364 + ... + 126447.

It is an arithmetic number, because the mean of its divisors is an integer number (145818252).

Almost surely, 2^2123161062 is an apocalyptic number.

2123161062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123161062 is an abundant number, since it is smaller than the sum of its proper divisors (2543023002).

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

2123161062 is a wasteful number, since it uses less digits than its factorization.

2123161062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234964.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2123161062 is about 46077.7718862360. The cubic root of 2123161062 is about 1285.2698312469.

Adding to 2123161062 its reverse (2601613212), we get a palindrome (4724774274).

The spelling of 2123161062 in words is "two billion, one hundred twenty-three million, one hundred sixty-one thousand, sixty-two".