16397737358 has 4 divisors (see below), whose sum is σ = 24596606040. Its totient is φ = 8198868678.

The previous prime is 16397737331. The next prime is 16397737373. The reversal of 16397737358 is 85373779361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85373779361 = 13 ⋅6567213797.

It is a junction number, because it is equal to n+sod(n) for n = 16397737297 and 16397737306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099434338 + ... + 4099434341.

It is an arithmetic number, because the mean of its divisors is an integer number (6149151510).

Almost surely, 2^16397737358 is an apocalyptic number.

16397737358 is a deficient number, since it is larger than the sum of its proper divisors (8198868682).

16397737358 is an equidigital number, since it uses as much as digits as its factorization.

16397737358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198868681.

The product of its digits is 20003760, while the sum is 59.

The spelling of 16397737358 in words is "sixteen billion, three hundred ninety-seven million, seven hundred thirty-seven thousand, three hundred fifty-eight".