163445125263061 has 8 divisors (see below), whose sum is σ = 167769351112248. Its totient is φ = 159173957400000.

The previous prime is 163445125263059. The next prime is 163445125263137. The reversal of 163445125263061 is 160362521544361.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113683608900 + 163331441654161 = 337170^2 + 12780119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163445125263061 - 2¹ = 163445125263059 is a prime.

It is a super-2 number, since 2×163445125263061² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163445125262996 and 163445125263014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163445125263001) 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, 13264490290 + ... + 13264502611.

It is an arithmetic number, because the mean of its divisors is an integer number (20971168889031).

Almost surely, 2^{163445125263061} is an apocalyptic number.

It is an amenable number.

163445125263061 is a deficient number, since it is larger than the sum of its proper divisors (4324225849187).

163445125263061 is a wasteful number, since it uses less digits than its factorization.

163445125263061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528993063.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 163445125263061 in words is "one hundred sixty-three trillion, four hundred forty-five billion, one hundred twenty-five million, two hundred sixty-three thousand, sixty-one".