60072161 has 12 divisors (see below), whose sum is σ = 62764308. Its totient is φ = 57474144.

The previous prime is 60072151. The next prime is 60072223. The reversal of 60072161 is 16127006.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 44422225 = 3956^2 + 6665^2 .

It is not a de Polignac number, because 60072161 - 2⁶ = 60072097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60072121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97691 + ... + 98303.

It is an arithmetic number, because the mean of its divisors is an integer number (5230359).

Almost surely, 2^60072161 is an apocalyptic number.

It is an amenable number.

60072161 is a deficient number, since it is larger than the sum of its proper divisors (2692147).

60072161 is an equidigital number, since it uses as much as digits as its factorization.

60072161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 60072161 is about 7750.6232652607. The cubic root of 60072161 is about 391.6436461094.

Adding to 60072161 its reverse (16127006), we get a palindrome (76199167).

The spelling of 60072161 in words is "sixty million, seventy-two thousand, one hundred sixty-one".