16454545757 has 16 divisors (see below), whose sum is σ = 17854830000. Its totient is φ = 15073665024.

The previous prime is 16454545747. The next prime is 16454545763. The reversal of 16454545757 is 75754545461.

It can be written as a sum of positive squares in 8 ways, for example, as 3589088281 + 12865457476 = 59909^2 + 113426^2 .

It is a cyclic number.

It is not a de Polignac number, because 16454545757 - 2¹⁴ = 16454529373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16454545699 and 16454545708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454545717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726219 + ... + 2732247.

It is an arithmetic number, because the mean of its divisors is an integer number (1115926875).

Almost surely, 2^16454545757 is an apocalyptic number.

It is an amenable number.

16454545757 is a deficient number, since it is larger than the sum of its proper divisors (1400284243).

16454545757 is a wasteful number, since it uses less digits than its factorization.

16454545757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600.

The product of its digits is 11760000, while the sum is 53.

The spelling of 16454545757 in words is "sixteen billion, four hundred fifty-four million, five hundred forty-five thousand, seven hundred fifty-seven".