16138774362 has 16 divisors (see below), whose sum is σ = 33028189920. Its totient is φ = 5254484592.

The previous prime is 16138774361. The next prime is 16138774387. The reversal of 16138774362 is 26347783161.

It is not an unprimeable number, because it can be changed into a prime (16138774361) 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, 31276437 + ... + 31276952.

It is an arithmetic number, because the mean of its divisors is an integer number (2064261870).

Almost surely, 2^16138774362 is an apocalyptic number.

16138774362 is an abundant number, since it is smaller than the sum of its proper divisors (16889415558).

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

16138774362 is a wasteful number, since it uses less digits than its factorization.

16138774362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62553437.

The product of its digits is 1016064, while the sum is 48.

The spelling of 16138774362 in words is "sixteen billion, one hundred thirty-eight million, seven hundred seventy-four thousand, three hundred sixty-two".