6172144020 has 144 divisors (see below), whose sum is σ = 22087123968. Its totient is φ = 1365258240.

The previous prime is 6172144003. The next prime is 6172144039. The reversal of 6172144020 is 204412716.

6172144020 is a `hidden beast` number, since 617 + 2 + 1 + 4 + 40 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39949 + ... + 118068.

Almost surely, 2^6172144020 is an apocalyptic number.

6172144020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6172144020 is an abundant number, since it is smaller than the sum of its proper divisors (15914979948).

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

6172144020 is a wasteful number, since it uses less digits than its factorization.

6172144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158070 (or 158065 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6172144020 is about 78562.9939602610. The cubic root of 6172144020 is about 1834.3351312338.

Adding to 6172144020 its reverse (204412716), we get a palindrome (6376556736).

The spelling of 6172144020 in words is "six billion, one hundred seventy-two million, one hundred forty-four thousand, twenty".