16155612604555 has 8 divisors (see below), whose sum is σ = 19387416416832. Its totient is φ = 12924035889408.

The previous prime is 16155612604499. The next prime is 16155612604583. The reversal of 16155612604555 is 55540621655161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16155612604555 is a prime.

It is a super-2 number, since 2×16155612604555² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 56617734 + ... + 56902363.

It is an arithmetic number, because the mean of its divisors is an integer number (2423427052104).

Almost surely, 2^{16155612604555} is an apocalyptic number.

16155612604555 is a deficient number, since it is larger than the sum of its proper divisors (3231803812277).

16155612604555 is a wasteful number, since it uses less digits than its factorization.

16155612604555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113548565.

The product of its (nonzero) digits is 5400000, while the sum is 52.

The spelling of 16155612604555 in words is "sixteen trillion, one hundred fifty-five billion, six hundred twelve million, six hundred four thousand, five hundred fifty-five".