16138541964745 has 16 divisors (see below), whose sum is σ = 20136887612928. Its totient is φ = 12403155381120.

The previous prime is 16138541964697. The next prime is 16138541964751. The reversal of 16138541964745 is 54746914583161.

It is a happy number.

It is not a de Polignac number, because 16138541964745 - 2¹³ = 16138541956553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379977399 + ... + 380019868.

It is an arithmetic number, because the mean of its divisors is an integer number (1258555475808).

Almost surely, 2^{16138541964745} is an apocalyptic number.

It is an amenable number.

16138541964745 is a deficient number, since it is larger than the sum of its proper divisors (3998345648183).

16138541964745 is a wasteful number, since it uses less digits than its factorization.

16138541964745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759997440.

The product of its digits is 87091200, while the sum is 64.

The spelling of 16138541964745 in words is "sixteen trillion, one hundred thirty-eight billion, five hundred forty-one million, nine hundred sixty-four thousand, seven hundred forty-five".