16401468312 has 24 divisors (see below), whose sum is σ = 44420643540. Its totient is φ = 5467156080.

The previous prime is 16401468289. The next prime is 16401468331. The reversal of 16401468312 is 21386410461.

16401468312 is a `hidden beast` number, since 1 + 640 + 1 + 4 + 6 + 8 + 3 + 1 + 2 = 666.

16401468312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113899014 + ... + 113899157.

Almost surely, 2^16401468312 is an apocalyptic number.

16401468312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16401468312 is an abundant number, since it is smaller than the sum of its proper divisors (28019175228).

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

16401468312 is a wasteful number, since it uses less digits than its factorization.

16401468312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227798183 (or 227798176 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 16401468312 its reverse (21386410461), we get a palindrome (37787878773).

The spelling of 16401468312 in words is "sixteen billion, four hundred one million, four hundred sixty-eight thousand, three hundred twelve".