100001610556 has 24 divisors (see below), whose sum is σ = 176782344480. Its totient is φ = 49492632000.

The previous prime is 100001610551. The next prime is 100001610581. The reversal of 100001610556 is 655016100001.

It is a super-2 number, since 2×100001610556² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100001610556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001610551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593705 + ... + 1655263.

It is an arithmetic number, because the mean of its divisors is an integer number (7365931020).

Almost surely, 2^100001610556 is an apocalyptic number.

It is an amenable number.

100001610556 is a deficient number, since it is larger than the sum of its proper divisors (76780733924).

100001610556 is a wasteful number, since it uses less digits than its factorization.

100001610556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65685 (or 65683 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 100001610556 its reverse (655016100001), we get a palindrome (755017710557).

The spelling of 100001610556 in words is "one hundred billion, one million, six hundred ten thousand, five hundred fifty-six".