60666646 has 8 divisors (see below), whose sum is σ = 91850760. Its totient is φ = 30049728.

The previous prime is 60666631. The next prime is 60666653. The reversal of 60666646 is 64666606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 60666599 and 60666608.

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, 141531 + ... + 141958.

It is an arithmetic number, because the mean of its divisors is an integer number (11481345).

Almost surely, 2^60666646 is an apocalyptic number.

60666646 is a deficient number, since it is larger than the sum of its proper divisors (31184114).

60666646 is a wasteful number, since it uses less digits than its factorization.

60666646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283598.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 60666646 is about 7788.8796370210. The cubic root of 60666646 is about 392.9313331934.

Subtracting from 60666646 its sum of digits (40), we obtain a palindrome (60666606).

The spelling of 60666646 in words is "sixty million, six hundred sixty-six thousand, six hundred forty-six".