60681988 has 6 divisors (see below), whose sum is σ = 106193486. Its totient is φ = 30340992.

The previous prime is 60681983. The next prime is 60681989. The reversal of 60681988 is 88918606.

It can be written as a sum of positive squares in only one way, i.e., 56430144 + 4251844 = 7512^2 + 2062^2 .

It is not an unprimeable number, because it can be changed into a prime (60681983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7585245 + ... + 7585252.

Almost surely, 2^60681988 is an apocalyptic number.

It is an amenable number.

60681988 is a deficient number, since it is larger than the sum of its proper divisors (45511498).

60681988 is a wasteful number, since it uses less digits than its factorization.

60681988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170501 (or 15170499 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 60681988 is about 7789.8644404123. The cubic root of 60681988 is about 392.9644532290.

The spelling of 60681988 in words is "sixty million, six hundred eighty-one thousand, nine hundred eighty-eight".