10172102556 has 96 divisors (see below), whose sum is σ = 29620942848. Its totient is φ = 2639482560.

The previous prime is 10172102533. The next prime is 10172102579. The reversal of 10172102556 is 65520127101.

It is an interprime number because it is at equal distance from previous prime (10172102533) and next prime (10172102579).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032751 + ... + 1042553.

It is an arithmetic number, because the mean of its divisors is an integer number (308551488).

Almost surely, 2^10172102556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10172102556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14810471424).

10172102556 is an abundant number, since it is smaller than the sum of its proper divisors (19448840292).

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

10172102556 is a wasteful number, since it uses less digits than its factorization.

10172102556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951 (or 10949 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 10172102556 its reverse (65520127101), we get a palindrome (75692229657).

The spelling of 10172102556 in words is "ten billion, one hundred seventy-two million, one hundred two thousand, five hundred fifty-six".