388969720162 has 8 divisors (see below), whose sum is σ = 583663787100. Its totient is φ = 194415124464.

The previous prime is 388969720157. The next prime is 388969720201. The reversal of 388969720162 is 261027969883.

It can be written as a sum of positive squares in 2 ways, for example, as 374239286001 + 14730434161 = 611751^2 + 121369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 388969720162.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34860837 + ... + 34871992.

Almost surely, 2^388969720162 is an apocalyptic number.

388969720162 is a deficient number, since it is larger than the sum of its proper divisors (194694066938).

388969720162 is a wasteful number, since it uses less digits than its factorization.

388969720162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69735620.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 388969720162 in words is "three hundred eighty-eight billion, nine hundred sixty-nine million, seven hundred twenty thousand, one hundred sixty-two".