16231616155547 has 8 divisors (see below), whose sum is σ = 17653273322160. Its totient is φ = 14834683461600.

The previous prime is 16231616155543. The next prime is 16231616155553. The reversal of 16231616155547 is 74555161613261.

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

It is a cyclic number.

It is not a de Polignac number, because 16231616155547 - 2² = 16231616155543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16231616155543) 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, 6181116797 + ... + 6181119422.

It is an arithmetic number, because the mean of its divisors is an integer number (2206659165270).

Almost surely, 2^{16231616155547} is an apocalyptic number.

16231616155547 is a deficient number, since it is larger than the sum of its proper divisors (1421657166613).

16231616155547 is a wasteful number, since it uses less digits than its factorization.

16231616155547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362236333.

The product of its digits is 4536000, while the sum is 53.

The spelling of 16231616155547 in words is "sixteen trillion, two hundred thirty-one billion, six hundred sixteen million, one hundred fifty-five thousand, five hundred forty-seven".