60660644 has 24 divisors (see below), whose sum is σ = 118274688. Its totient is φ = 26985440.

The previous prime is 60660643. The next prime is 60660647. The reversal of 60660644 is 44606606.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 60660644.

It is not an unprimeable number, because it can be changed into a prime (60660643) 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, 12599 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (4928112).

Almost surely, 2^60660644 is an apocalyptic number.

It is an amenable number.

60660644 is a deficient number, since it is larger than the sum of its proper divisors (57614044).

60660644 is a wasteful number, since it uses less digits than its factorization.

60660644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29395 (or 29393 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 60660644 is about 7788.4943345938. The cubic root of 60660644 is about 392.9183746635.

The spelling of 60660644 in words is "sixty million, six hundred sixty thousand, six hundred forty-four".