16138555742067 has 16 divisors (see below), whose sum is σ = 23503716214272. Its totient is φ = 9768670658720.

The previous prime is 16138555742063. The next prime is 16138555742077. The reversal of 16138555742067 is 76024755583161.

It is a cyclic number.

It is not a de Polignac number, because 16138555742067 - 2² = 16138555742063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16138555742067.

It is not an unprimeable number, because it can be changed into a prime (16138555742063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306778683 + ... + 306831284.

It is an arithmetic number, because the mean of its divisors is an integer number (1468982263392).

Almost surely, 2^{16138555742067} is an apocalyptic number.

16138555742067 is a deficient number, since it is larger than the sum of its proper divisors (7365160472205).

16138555742067 is a wasteful number, since it uses less digits than its factorization.

16138555742067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613610778.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 16138555742067 in words is "sixteen trillion, one hundred thirty-eight billion, five hundred fifty-five million, seven hundred forty-two thousand, sixty-seven".