16555560151 has 4 divisors (see below), whose sum is σ = 17829064792. Its totient is φ = 15282055512.

The previous prime is 16555560139. The next prime is 16555560163. The reversal of 16555560151 is 15106555561.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16555560139) and next prime (16555560163).

It is a cyclic number.

It is not a de Polignac number, because 16555560151 - 2²⁵ = 16522005719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555560181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636752301 + ... + 636752326.

It is an arithmetic number, because the mean of its divisors is an integer number (4457266198).

Almost surely, 2^16555560151 is an apocalyptic number.

16555560151 is a deficient number, since it is larger than the sum of its proper divisors (1273504641).

16555560151 is a wasteful number, since it uses less digits than its factorization.

16555560151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273504640.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 16555560151 in words is "sixteen billion, five hundred fifty-five million, five hundred sixty thousand, one hundred fifty-one".