120603615606 has 80 divisors (see below), whose sum is σ = 271389027888. Its totient is φ = 40030848000.

The previous prime is 120603615581. The next prime is 120603615607. The reversal of 120603615606 is 606516306021.

120603615606 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 0 + 36 + 15 + 606 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120603615607) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66963906 + ... + 66965706.

Almost surely, 2^120603615606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120603615606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135694513944).

120603615606 is an abundant number, since it is smaller than the sum of its proper divisors (150785412282).

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

120603615606 is a wasteful number, since it uses less digits than its factorization.

120603615606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 120603615606 in words is "one hundred twenty billion, six hundred three million, six hundred fifteen thousand, six hundred six".