16338168474215 has 8 divisors (see below), whose sum is σ = 22406631050400. Its totient is φ = 11203315525152.

The previous prime is 16338168474191. The next prime is 16338168474217. The reversal of 16338168474215 is 51247486183361.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16338168474215 is a prime.

It is a super-2 number, since 2×16338168474215² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338168474217) 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, 233402406740 + ... + 233402406809.

It is an arithmetic number, because the mean of its divisors is an integer number (2800828881300).

Almost surely, 2^{16338168474215} is an apocalyptic number.

16338168474215 is a deficient number, since it is larger than the sum of its proper divisors (6068462576185).

16338168474215 is an equidigital number, since it uses as much as digits as its factorization.

16338168474215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466804813561.

The product of its digits is 23224320, while the sum is 59.

The spelling of 16338168474215 in words is "sixteen trillion, three hundred thirty-eight billion, one hundred sixty-eight million, four hundred seventy-four thousand, two hundred fifteen".