60138866 has 8 divisors (see below), whose sum is σ = 93319020. Its totient is φ = 29032528.

The previous prime is 60138851. The next prime is 60138887. The reversal of 60138866 is 66883106.

It can be written as a sum of positive squares in 2 ways, for example, as 58079641 + 2059225 = 7621^2 + 1435^2 .

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

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, 518381 + ... + 518496.

Almost surely, 2^60138866 is an apocalyptic number.

60138866 is a deficient number, since it is larger than the sum of its proper divisors (33180154).

60138866 is a wasteful number, since it uses less digits than its factorization.

60138866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036908.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 60138866 is about 7754.9252736567. The cubic root of 60138866 is about 391.7885547505.

The spelling of 60138866 in words is "sixty million, one hundred thirty-eight thousand, eight hundred sixty-six".