10172775646 has 24 divisors (see below), whose sum is σ = 16974580392. Its totient is φ = 4568269200.

The previous prime is 10172775623. The next prime is 10172775649. The reversal of 10172775646 is 64657727101.

It is a junction number, because it is equal to n+sod(n) for n = 10172775596 and 10172775605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172775649) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 233145 + ... + 273316.

It is an arithmetic number, because the mean of its divisors is an integer number (707274183).

Almost surely, 2^10172775646 is an apocalyptic number.

10172775646 is a deficient number, since it is larger than the sum of its proper divisors (6801804746).

10172775646 is a wasteful number, since it uses less digits than its factorization.

10172775646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506568 (or 506557 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 10172775646 in words is "ten billion, one hundred seventy-two million, seven hundred seventy-five thousand, six hundred forty-six".