60681649 has 12 divisors (see below), whose sum is σ = 74305200. Its totient is φ = 49274568.

The previous prime is 60681637. The next prime is 60681679. The reversal of 60681649 is 94618606.

It is not a de Polignac number, because 60681649 - 2²¹ = 58584497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60681629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31659 + ... + 33520.

It is an arithmetic number, because the mean of its divisors is an integer number (6192100).

Almost surely, 2^60681649 is an apocalyptic number.

It is an amenable number.

60681649 is a deficient number, since it is larger than the sum of its proper divisors (13623551).

60681649 is a wasteful number, since it uses less digits than its factorization.

60681649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65212 (or 65205 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 60681649 is about 7789.8426813383. The cubic root of 60681649 is about 392.9637214622.

The spelling of 60681649 in words is "sixty million, six hundred eighty-one thousand, six hundred forty-nine".