60321661 has 8 divisors (see below), whose sum is σ = 64641024. Its totient is φ = 56088000.

The previous prime is 60321643. The next prime is 60321683. The reversal of 60321661 is 16612306.

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 60321661 - 2⁷ = 60321533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60321061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19965 + ... + 22786.

It is an arithmetic number, because the mean of its divisors is an integer number (8080128).

Almost surely, 2^60321661 is an apocalyptic number.

It is an amenable number.

60321661 is a deficient number, since it is larger than the sum of its proper divisors (4319363).

60321661 is a wasteful number, since it uses less digits than its factorization.

60321661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42851.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 60321661 is about 7766.7020671582. The cubic root of 60321661 is about 392.1851066800.

Adding to 60321661 its reverse (16612306), we get a palindrome (76933967).

The spelling of 60321661 in words is "sixty million, three hundred twenty-one thousand, six hundred sixty-one".