16404516144 has 40 divisors (see below), whose sum is σ = 47087038320. Its totient is φ = 5468171904.

The previous prime is 16404516083. The next prime is 16404516187. The reversal of 16404516144 is 44161540461.

16404516144 is a `hidden beast` number, since 1 + 64 + 0 + 451 + 6 + 144 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16404516099 and 16404516108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18986277 + ... + 18987140.

It is an arithmetic number, because the mean of its divisors is an integer number (1177175958).

Almost surely, 2^16404516144 is an apocalyptic number.

It is an amenable number.

16404516144 is an abundant number, since it is smaller than the sum of its proper divisors (30682522176).

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

16404516144 is a wasteful number, since it uses less digits than its factorization.

16404516144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37973434 (or 37973422 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 16404516144 in words is "sixteen billion, four hundred four million, five hundred sixteen thousand, one hundred forty-four".