213786160388 has 6 divisors (see below), whose sum is σ = 374125780686. Its totient is φ = 106893080192.

The previous prime is 213786160387. The next prime is 213786160457. The reversal of 213786160388 is 883061687312.

213786160388 is digitally balanced in base 3, 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 only one way, i.e., 167372628544 + 46413531844 = 409112^2 + 215438^2 .

It is not an unprimeable number, because it can be changed into a prime (213786160387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26723270045 + ... + 26723270052.

It is an arithmetic number, because the mean of its divisors is an integer number (62354296781).

Almost surely, 2^213786160388 is an apocalyptic number.

It is an amenable number.

213786160388 is a deficient number, since it is larger than the sum of its proper divisors (160339620298).

213786160388 is a wasteful number, since it uses less digits than its factorization.

213786160388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53446540101 (or 53446540099 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 213786160388 in words is "two hundred thirteen billion, seven hundred eighty-six million, one hundred sixty thousand, three hundred eighty-eight".