10172161100656 has 10 divisors (see below), whose sum is σ = 19708562132552. Its totient is φ = 5086080550320.

The previous prime is 10172161100609. The next prime is 10172161100657. The reversal of 10172161100656 is 65600116127101.

It is a super-2 number, since 2×10172161100656² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172161100657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317880034380 + ... + 317880034411.

Almost surely, 2^{10172161100656} is an apocalyptic number.

10172161100656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10172161100656 is a deficient number, since it is larger than the sum of its proper divisors (9536401031896).

10172161100656 is an equidigital number, since it uses as much as digits as its factorization.

10172161100656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635760068799 (or 635760068793 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

Adding to 10172161100656 its reverse (65600116127101), we get a palindrome (75772277227757).

The spelling of 10172161100656 in words is "ten trillion, one hundred seventy-two billion, one hundred sixty-one million, one hundred thousand, six hundred fifty-six".