7122621160 has 16 divisors (see below), whose sum is σ = 16025897700. Its totient is φ = 2849048448.

The previous prime is 7122621151. The next prime is 7122621161. The reversal of 7122621160 is 611262217.

It can be written as a sum of positive squares in 2 ways, for example, as 6756511204 + 366109956 = 82198^2 + 19134^2 .

It is not an unprimeable number, because it can be changed into a prime (7122621161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89032725 + ... + 89032804.

Almost surely, 2^7122621160 is an apocalyptic number.

It is an amenable number.

7122621160 is an abundant number, since it is smaller than the sum of its proper divisors (8903276540).

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

7122621160 is a wasteful number, since it uses less digits than its factorization.

7122621160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178065540 (or 178065536 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 7122621160 is about 84395.6228722793. The cubic root of 7122621160 is about 1924.0363904926.

Adding to 7122621160 its reverse (611262217), we get a palindrome (7733883377).

The spelling of 7122621160 in words is "seven billion, one hundred twenty-two million, six hundred twenty-one thousand, one hundred sixty".