16038127669 has 4 divisors (see below), whose sum is σ = 16041169900. Its totient is φ = 16035085440.

The previous prime is 16038127661. The next prime is 16038127687. The reversal of 16038127669 is 96672183061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3524796900 + 12513330769 = 59370^2 + 111863^2 .

It is a cyclic number.

It is not a de Polignac number, because 16038127669 - 2³ = 16038127661 is a prime.

It is a super-2 number, since 2×16038127669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16038127661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513194 + ... + 1523755.

It is an arithmetic number, because the mean of its divisors is an integer number (4010292475).

Almost surely, 2^16038127669 is an apocalyptic number.

It is an amenable number.

16038127669 is a deficient number, since it is larger than the sum of its proper divisors (3042231).

16038127669 is an equidigital number, since it uses as much as digits as its factorization.

16038127669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042230.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 16038127669 in words is "sixteen billion, thirty-eight million, one hundred twenty-seven thousand, six hundred sixty-nine".