60665766 has 32 divisors (see below), whose sum is σ = 144695808. Its totient is φ = 16579200.

The previous prime is 60665723. The next prime is 60665771. The reversal of 60665766 is 66756606.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 30435 + ... + 32366.

It is an arithmetic number, because the mean of its divisors is an integer number (4521744).

Almost surely, 2^60665766 is an apocalyptic number.

60665766 is an abundant number, since it is smaller than the sum of its proper divisors (84030042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60665766 is a wasteful number, since it uses less digits than its factorization.

60665766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62836.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 60665766 is about 7788.8231460215. The cubic root of 60665766 is about 392.9294332959.

The spelling of 60665766 in words is "sixty million, six hundred sixty-five thousand, seven hundred sixty-six".