16263956418 has 8 divisors (see below), whose sum is σ = 32527912848. Its totient is φ = 5421318804.

The previous prime is 16263956411. The next prime is 16263956441. The reversal of 16263956418 is 81465936261.

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

16263956418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16263956411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355329696 + ... + 1355329707.

It is an arithmetic number, because the mean of its divisors is an integer number (4065989106).

Almost surely, 2^16263956418 is an apocalyptic number.

16263956418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16263956418 is a wasteful number, since it uses less digits than its factorization.

16263956418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710659408.

The product of its digits is 1866240, while the sum is 51.

The spelling of 16263956418 in words is "sixteen billion, two hundred sixty-three million, nine hundred fifty-six thousand, four hundred eighteen".