60640171 has 4 divisors (see below), whose sum is σ = 60761232. Its totient is φ = 60519112.

The previous prime is 60640147. The next prime is 60640183. The reversal of 60640171 is 17104606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60640171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60640871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59776 + ... + 60781.

It is an arithmetic number, because the mean of its divisors is an integer number (15190308).

Almost surely, 2^60640171 is an apocalyptic number.

60640171 is a deficient number, since it is larger than the sum of its proper divisors (121061).

60640171 is a wasteful number, since it uses less digits than its factorization.

60640171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121060.

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

The square root of 60640171 is about 7787.1799131650. The cubic root of 60640171 is about 392.8741663021.

Adding to 60640171 its reverse (17104606), we get a palindrome (77744777).

The spelling of 60640171 in words is "sixty million, six hundred forty thousand, one hundred seventy-one".