6156722372 has 12 divisors (see below), whose sum is σ = 10774830780. Its totient is φ = 3078199296.

The previous prime is 6156722321. The next prime is 6156722381. The reversal of 6156722372 is 2732276516.

It can be written as a sum of positive squares in 2 ways, for example, as 654643396 + 5502078976 = 25586^2 + 74176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96908 + ... + 147324.

It is an arithmetic number, because the mean of its divisors is an integer number (897902565).

Almost surely, 2^6156722372 is an apocalyptic number.

It is an amenable number.

6156722372 is a deficient number, since it is larger than the sum of its proper divisors (4618108408).

6156722372 is a wasteful number, since it uses less digits than its factorization.

6156722372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80950 (or 80948 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 6156722372 is about 78464.7842793186. The cubic root of 6156722372 is about 1832.8061075109.

Adding to 6156722372 its reverse (2732276516), we get a palindrome (8888998888).

The spelling of 6156722372 in words is "six billion, one hundred fifty-six million, seven hundred twenty-two thousand, three hundred seventy-two".