6172791954 has 64 divisors (see below), whose sum is σ = 14472710400. Its totient is φ = 1754403840.

The previous prime is 6172791949. The next prime is 6172791979. The reversal of 6172791954 is 4591972716.

It is a junction number, because it is equal to n+sod(n) for n = 6172791897 and 6172791906.

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 31 ways as a sum of consecutive naturals, for example, 389424 + ... + 404964.

It is an arithmetic number, because the mean of its divisors is an integer number (226136100).

Almost surely, 2^6172791954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6172791954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7236355200).

6172791954 is an abundant number, since it is smaller than the sum of its proper divisors (8299918446).

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

6172791954 is a wasteful number, since it uses less digits than its factorization.

6172791954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15760 (or 15746 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The square root of 6172791954 is about 78567.1175110809. The cubic root of 6172791954 is about 1834.3993167371.

The spelling of 6172791954 in words is "six billion, one hundred seventy-two million, seven hundred ninety-one thousand, nine hundred fifty-four".