60981336 has 192 divisors, whose sum is σ = 195686400. Its totient is φ = 17635968.

The previous prime is 60981331. The next prime is 60981337. The reversal of 60981336 is 63318906.

It is a happy number.

60981336 is a `hidden beast` number, since 609 + 8 + 13 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 60981336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60981331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 480105 + ... + 480231.

It is an arithmetic number, because the mean of its divisors is an integer number (1019200).

Almost surely, 2^60981336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60981336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97843200).

60981336 is an abundant number, since it is smaller than the sum of its proper divisors (134705064).

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

60981336 is a wasteful number, since it uses less digits than its factorization.

60981336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 60981336 is about 7809.0547443337. The cubic root of 60981336 is about 393.6095662458.

The spelling of 60981336 in words is "sixty million, nine hundred eighty-one thousand, three hundred thirty-six".