16744414545 has 48 divisors (see below), whose sum is σ = 30472752960. Its totient is φ = 8493674112.

The previous prime is 16744414523. The next prime is 16744414553. The reversal of 16744414545 is 54541444761.

16744414545 is a `hidden beast` number, since 1 + 67 + 4 + 4 + 41 + 4 + 545 = 666.

It is not a de Polignac number, because 16744414545 - 2⁸ = 16744414289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16744414545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8319 + ... + 183188.

It is an arithmetic number, because the mean of its divisors is an integer number (634849020).

Almost surely, 2^16744414545 is an apocalyptic number.

16744414545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16744414545 is a deficient number, since it is larger than the sum of its proper divisors (13728338415).

16744414545 is a wasteful number, since it uses less digits than its factorization.

16744414545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191614 (or 191611 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The spelling of 16744414545 in words is "sixteen billion, seven hundred forty-four million, four hundred fourteen thousand, five hundred forty-five".