16297826749 has 8 divisors (see below), whose sum is σ = 17071097472. Its totient is φ = 15529945200.

The previous prime is 16297826731. The next prime is 16297826767. The reversal of 16297826749 is 94762879261.

It is an interprime number because it is at equal distance from previous prime (16297826731) and next prime (16297826767).

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

It is a cyclic number.

It is not a de Polignac number, because 16297826749 - 2²³ = 16289438141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16297826789) 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, 1341102 + ... + 1353199.

It is an arithmetic number, because the mean of its divisors is an integer number (2133887184).

Almost surely, 2^16297826749 is an apocalyptic number.

It is an amenable number.

16297826749 is a deficient number, since it is larger than the sum of its proper divisors (773270723).

16297826749 is a wasteful number, since it uses less digits than its factorization.

16297826749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694587.

The product of its digits is 18289152, while the sum is 61.

The spelling of 16297826749 in words is "sixteen billion, two hundred ninety-seven million, eight hundred twenty-six thousand, seven hundred forty-nine".