67060505620 has 24 divisors (see below), whose sum is σ = 140844537288. Its totient is φ = 26820873600.

The previous prime is 67060505609. The next prime is 67060505621. The reversal of 67060505620 is 2650506076.

67060505620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16221079044 + 50839426576 = 127362^2 + 225476^2 .

It is a super-2 number, since 2×67060505620² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67060505620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67060505621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39511 + ... + 368350.

It is an arithmetic number, because the mean of its divisors is an integer number (5868522387).

Almost surely, 2^67060505620 is an apocalyptic number.

It is an amenable number.

67060505620 is an abundant number, since it is smaller than the sum of its proper divisors (73784031668).

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

67060505620 is a wasteful number, since it uses less digits than its factorization.

67060505620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416091 (or 416089 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 67060505620 in words is "sixty-seven billion, sixty million, five hundred five thousand, six hundred twenty".