16758803397 has 8 divisors (see below), whose sum is σ = 25537224256. Its totient is φ = 9576459072.

The previous prime is 16758803389. The next prime is 16758803401. The reversal of 16758803397 is 79330885761.

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

It is not a de Polignac number, because 16758803397 - 2³ = 16758803389 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 (16758803317) 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, 399019108 + ... + 399019149.

It is an arithmetic number, because the mean of its divisors is an integer number (3192153032).

Almost surely, 2^16758803397 is an apocalyptic number.

It is an amenable number.

16758803397 is a deficient number, since it is larger than the sum of its proper divisors (8778420859).

16758803397 is an equidigital number, since it uses as much as digits as its factorization.

16758803397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798038267.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 16758803397 in words is "sixteen billion, seven hundred fifty-eight million, eight hundred three thousand, three hundred ninety-seven".