16023355555 has 4 divisors (see below), whose sum is σ = 19228026672. Its totient is φ = 12818684440.

The previous prime is 16023355549. The next prime is 16023355583. The reversal of 16023355555 is 55555332061.

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

It is not a de Polignac number, because 16023355555 - 2¹⁵ = 16023322787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602335551 + ... + 1602335560.

It is an arithmetic number, because the mean of its divisors is an integer number (4807006668).

Almost surely, 2^16023355555 is an apocalyptic number.

16023355555 is a deficient number, since it is larger than the sum of its proper divisors (3204671117).

16023355555 is an equidigital number, since it uses as much as digits as its factorization.

16023355555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204671116.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 16023355555 in words is "sixteen billion, twenty-three million, three hundred fifty-five thousand, five hundred fifty-five".