13553420165 has 8 divisors (see below), whose sum is σ = 16349257728. Its totient is φ = 10785967120.

The previous prime is 13553420147. The next prime is 13553420173. The reversal of 13553420165 is 56102435531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13553420165 - 2²² = 13549225861 is a prime.

It is a super-3 number, since 3×13553420165³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7095077 + ... + 7096986.

It is an arithmetic number, because the mean of its divisors is an integer number (2043657216).

Almost surely, 2^13553420165 is an apocalyptic number.

It is an amenable number.

13553420165 is a deficient number, since it is larger than the sum of its proper divisors (2795837563).

13553420165 is a wasteful number, since it uses less digits than its factorization.

13553420165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192259.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 13553420165 its reverse (56102435531), we get a palindrome (69655855696).

The spelling of 13553420165 in words is "thirteen billion, five hundred fifty-three million, four hundred twenty thousand, one hundred sixty-five".