16137969 has 8 divisors (see below), whose sum is σ = 22042272. Its totient is φ = 10496160.

The previous prime is 16137941. The next prime is 16137971. The reversal of 16137969 is 96973161.

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

It is not a de Polignac number, because 16137969 - 2¹³ = 16129777 is a prime.

It is a super-2 number, since 2×16137969² = 520868086889922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16137969.

It is not an unprimeable number, because it can be changed into a prime (16137469) 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, 65479 + ... + 65724.

It is an arithmetic number, because the mean of its divisors is an integer number (2755284).

Almost surely, 2^16137969 is an apocalyptic number.

It is an amenable number.

16137969 is a deficient number, since it is larger than the sum of its proper divisors (5904303).

16137969 is a wasteful number, since it uses less digits than its factorization.

16137969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131247.

The product of its digits is 61236, while the sum is 42.

The square root of 16137969 is about 4017.2091058345. The cubic root of 16137969 is about 252.7064298879.

The spelling of 16137969 in words is "sixteen million, one hundred thirty-seven thousand, nine hundred sixty-nine".