60988666 has 4 divisors (see below), whose sum is σ = 91483002. Its totient is φ = 30494332.

The previous prime is 60988643. The next prime is 60988679. The reversal of 60988666 is 66688906.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66688906 = 2 ⋅33344453.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 30019441 = 5565^2 + 5479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247165 + ... + 15247168.

Almost surely, 2^60988666 is an apocalyptic number.

60988666 is a deficient number, since it is larger than the sum of its proper divisors (30494336).

60988666 is a wasteful number, since it uses less digits than its factorization.

60988666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30494335.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 60988666 is about 7809.5240572009. The cubic root of 60988666 is about 393.6253363306.

The spelling of 60988666 in words is "sixty million, nine hundred eighty-eight thousand, six hundred sixty-six".