16126697 has 4 divisors (see below), whose sum is σ = 16682820. Its totient is φ = 15570576.

The previous prime is 16126673. The next prime is 16126723. The reversal of 16126697 is 79662161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79662161 = 431 ⋅184831.

It can be written as a sum of positive squares in 2 ways, for example, as 12082576 + 4044121 = 3476^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 16126697 - 2¹⁴ = 16110313 is a prime.

It is a super-2 number, since 2×16126697² = 520140712259618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16126697.

It is not an unprimeable number, because it can be changed into a prime (16126637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278018 + ... + 278075.

It is an arithmetic number, because the mean of its divisors is an integer number (4170705).

Almost surely, 2^16126697 is an apocalyptic number.

It is an amenable number.

16126697 is a deficient number, since it is larger than the sum of its proper divisors (556123).

16126697 is an equidigital number, since it uses as much as digits as its factorization.

16126697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556122.

The product of its digits is 27216, while the sum is 38.

The square root of 16126697 is about 4015.8058967037. The cubic root of 16126697 is about 252.6475796419.

The spelling of 16126697 in words is "sixteen million, one hundred twenty-six thousand, six hundred ninety-seven".