67052566407220 has 12 divisors (see below), whose sum is σ = 140810389455204. Its totient is φ = 26821026562880.

The previous prime is 67052566407199. The next prime is 67052566407227. The reversal of 67052566407220 is 2270466525076.

It can be written as a sum of positive squares in 2 ways, for example, as 48143531610916 + 18909034796304 = 6938554^2 + 4348452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67052566407227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676314160161 + ... + 1676314160200.

It is an arithmetic number, because the mean of its divisors is an integer number (11734199121267).

Almost surely, 2^{67052566407220} is an apocalyptic number.

It is an amenable number.

67052566407220 is an abundant number, since it is smaller than the sum of its proper divisors (73757823047984).

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

67052566407220 is a wasteful number, since it uses less digits than its factorization.

67052566407220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352628320370 (or 3352628320368 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 67052566407220 in words is "sixty-seven trillion, fifty-two billion, five hundred sixty-six million, four hundred seven thousand, two hundred twenty".