120637520064 has 336 divisors, whose sum is σ = 370627046400. Its totient is φ = 37433290752.

The previous prime is 120637520063. The next prime is 120637520093. The reversal of 120637520064 is 460025736021.

120637520064 is a `hidden beast` number, since 1 + 20 + 6 + 375 + 200 + 64 = 666.

It is a super-2 number, since 2×120637520064² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (120637520063) 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, 76400427 + ... + 76402005.

Almost surely, 2^120637520064 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 120637520064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185313523200).

120637520064 is an abundant number, since it is smaller than the sum of its proper divisors (249989526336).

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

120637520064 is a wasteful number, since it uses less digits than its factorization.

120637520064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 120637520064 in words is "one hundred twenty billion, six hundred thirty-seven million, five hundred twenty thousand, sixty-four".