173213026641 has 32 divisors (see below), whose sum is σ = 257386281600. Its totient is φ = 115127179200.

The previous prime is 173213026607. The next prime is 173213026643. The reversal of 173213026641 is 146620312371.

173213026641 is a `hidden beast` number, since 1 + 7 + 3 + 2 + 1 + 3 + 0 + 2 + 6 + 641 = 666.

It is not a de Polignac number, because 173213026641 - 2³¹ = 171065542993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173213026596 and 173213026605.

It is not an unprimeable number, because it can be changed into a prime (173213026643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42756066 + ... + 42760116.

It is an arithmetic number, because the mean of its divisors is an integer number (8043321300).

Almost surely, 2^173213026641 is an apocalyptic number.

It is an amenable number.

173213026641 is a deficient number, since it is larger than the sum of its proper divisors (84173254959).

173213026641 is a wasteful number, since it uses less digits than its factorization.

173213026641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446 (or 8440 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 173213026641 in words is "one hundred seventy-three billion, two hundred thirteen million, twenty-six thousand, six hundred forty-one".