38772320146660 has 12 divisors (see below), whose sum is σ = 81421872308028. Its totient is φ = 15508928058656.

The previous prime is 38772320146631. The next prime is 38772320146669. The reversal of 38772320146660 is 6664102327783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27648814469796 + 11123505676864 = 5258214^2 + 3335192^2 .

It is not an unprimeable number, because it can be changed into a prime (38772320146669) 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, 969308003647 + ... + 969308003686.

It is an arithmetic number, because the mean of its divisors is an integer number (6785156025669).

Almost surely, 2^{38772320146660} is an apocalyptic number.

It is an amenable number.

38772320146660 is an abundant number, since it is smaller than the sum of its proper divisors (42649552161368).

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

38772320146660 is a wasteful number, since it uses less digits than its factorization.

38772320146660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938616007342 (or 1938616007340 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 38772320146660 in words is "thirty-eight trillion, seven hundred seventy-two billion, three hundred twenty million, one hundred forty-six thousand, six hundred sixty".