60631686 has 32 divisors (see below), whose sum is σ = 135986400. Its totient is φ = 20023200.

The previous prime is 60631609. The next prime is 60631687. The reversal of 60631686 is 68613606.

60631686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 60631686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60631687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (4249575).

Almost surely, 2^60631686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60631686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67993200).

60631686 is an abundant number, since it is smaller than the sum of its proper divisors (75354714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60631686 is a wasteful number, since it uses less digits than its factorization.

60631686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 60631686 is about 7786.6350884063. The cubic root of 60631686 is about 392.8558413054.

The spelling of 60631686 in words is "sixty million, six hundred thirty-one thousand, six hundred eighty-six".