16545655413501 has 16 divisors (see below), whose sum is σ = 23928293628288. Its totient is φ = 10128378252800.

The previous prime is 16545655413431. The next prime is 16545655413571. The reversal of 16545655413501 is 10531455654561.

It is an interprime number because it is at equal distance from previous prime (16545655413431) and next prime (16545655413571).

It is a cyclic number.

It is not a de Polignac number, because 16545655413501 - 2⁷ = 16545655413373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545655413571) 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, 3956395665 + ... + 3956399846.

It is an arithmetic number, because the mean of its divisors is an integer number (1495518351768).

Almost surely, 2^{16545655413501} is an apocalyptic number.

It is an amenable number.

16545655413501 is a deficient number, since it is larger than the sum of its proper divisors (7382638214787).

16545655413501 is a wasteful number, since it uses less digits than its factorization.

16545655413501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912795572.

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 16545655413501 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred thirteen thousand, five hundred one".