60665620 has 12 divisors (see below), whose sum is σ = 127397844. Its totient is φ = 24266240.

The previous prime is 60665617. The next prime is 60665653. The reversal of 60665620 is 2656606.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 52359696 = 2882^2 + 7236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516621 + ... + 1516660.

It is an arithmetic number, because the mean of its divisors is an integer number (10616487).

Almost surely, 2^60665620 is an apocalyptic number.

It is an amenable number.

60665620 is an abundant number, since it is smaller than the sum of its proper divisors (66732224).

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

60665620 is a wasteful number, since it uses less digits than its factorization.

60665620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033290 (or 3033288 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 60665620 is about 7788.8137736115. The cubic root of 60665620 is about 392.9291180838.

The spelling of 60665620 in words is "sixty million, six hundred sixty-five thousand, six hundred twenty".