60722161 has 8 divisors (see below), whose sum is σ = 61223400. Its totient is φ = 60223488.

The previous prime is 60722159. The next prime is 60722183. The reversal of 60722161 is 16122706.

It can be written as a sum of positive squares in 4 ways, for example, as 52707600 + 8014561 = 7260^2 + 2831^2 .

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 60722161 - 2¹ = 60722159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60722131) 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, 89355 + ... + 90031.

It is an arithmetic number, because the mean of its divisors is an integer number (7652925).

Almost surely, 2^60722161 is an apocalyptic number.

It is an amenable number.

60722161 is a deficient number, since it is larger than the sum of its proper divisors (501239).

60722161 is a wasteful number, since it uses less digits than its factorization.

60722161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 60722161 is about 7792.4425567341. The cubic root of 60722161 is about 393.0511515452.

Adding to 60722161 its reverse (16122706), we get a palindrome (76844867).

The spelling of 60722161 in words is "sixty million, seven hundred twenty-two thousand, one hundred sixty-one".