16545126477408 has 48 divisors (see below), whose sum is σ = 43431166252656. Its totient is φ = 5515015587840.

The previous prime is 16545126477377. The next prime is 16545126477409. The reversal of 16545126477408 is 80477462154561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545126477409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39149148 + ... + 39569508.

It is an arithmetic number, because the mean of its divisors is an integer number (904815963597).

Almost surely, 2^{16545126477408} is an apocalyptic number.

It is an amenable number.

16545126477408 is an abundant number, since it is smaller than the sum of its proper divisors (26886039775248).

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

16545126477408 is a wasteful number, since it uses less digits than its factorization.

16545126477408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830367 (or 830359 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 16545126477408 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred seventy-seven thousand, four hundred eight".