16404023026512 has 120 divisors (see below), whose sum is σ = 50550035796000. Its totient is φ = 4924458858240.

The previous prime is 16404023026483. The next prime is 16404023026529. The reversal of 16404023026512 is 21562032040461.

16404023026512 is a `hidden beast` number, since 1 + 6 + 404 + 0 + 230 + 2 + 6 + 5 + 12 = 666.

It is a super-2 number, since 2×16404023026512² (a number of 27 digits) contains 22 as substring.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48223387 + ... + 48562362.

It is an arithmetic number, because the mean of its divisors is an integer number (421250298300).

Almost surely, 2^{16404023026512} is an apocalyptic number.

16404023026512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16404023026512 is an abundant number, since it is smaller than the sum of its proper divisors (34146012769488).

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

16404023026512 is a wasteful number, since it uses less digits than its factorization.

16404023026512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96785881 (or 96785872 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 16404023026512 its reverse (21562032040461), we get a palindrome (37966055066973).

The spelling of 16404023026512 in words is "sixteen trillion, four hundred four billion, twenty-three million, twenty-six thousand, five hundred twelve".