60665651 has 16 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 53067168.

The previous prime is 60665617. The next prime is 60665653. The reversal of 60665651 is 15656606.

It is a cyclic number.

It is not a de Polignac number, because 60665651 - 2⁶ = 60665587 is a prime.

It is a super-2 number, since 2×60665651² = 7360642422507602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60665653) 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 15 ways as a sum of consecutive naturals, for example, 10280 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^60665651 is an apocalyptic number.

60665651 is a deficient number, since it is larger than the sum of its proper divisors (8281549).

60665651 is a wasteful number, since it uses less digits than its factorization.

60665651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 60665651 is about 7788.8157636447. The cubic root of 60665651 is about 392.9291850124.

It can be divided in two parts, 60665 and 651, that added together give a palindrome (61316).

The spelling of 60665651 in words is "sixty million, six hundred sixty-five thousand, six hundred fifty-one".