60666643 has 8 divisors (see below), whose sum is σ = 62421840. Its totient is φ = 58917600.

The previous prime is 60666631. The next prime is 60666653. The reversal of 60666643 is 34666606.

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

It is a cyclic number.

It is not a de Polignac number, because 60666643 - 2⁵ = 60666611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60666623) 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, 24768 + ... + 27106.

It is an arithmetic number, because the mean of its divisors is an integer number (7802730).

Almost surely, 2^60666643 is an apocalyptic number.

60666643 is a deficient number, since it is larger than the sum of its proper divisors (1755197).

60666643 is a wasteful number, since it uses less digits than its factorization.

60666643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 60666643 is about 7788.8794444387. The cubic root of 60666643 is about 392.9313267166.

Subtracting from 60666643 its sum of digits (37), we obtain a palindrome (60666606).

The spelling of 60666643 in words is "sixty million, six hundred sixty-six thousand, six hundred forty-three".