16011006555655 has 32 divisors (see below), whose sum is σ = 19451267035200. Its totient is φ = 12651338419200.

The previous prime is 16011006555641. The next prime is 16011006555689. The reversal of 16011006555655 is 55655560011061.

It is a happy number.

It is not a de Polignac number, because 16011006555655 - 2⁹ = 16011006555143 is a prime.

It is a super-2 number, since 2×16011006555655² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84668760 + ... + 84857650.

It is an arithmetic number, because the mean of its divisors is an integer number (607852094850).

Almost surely, 2^{16011006555655} is an apocalyptic number.

16011006555655 is a deficient number, since it is larger than the sum of its proper divisors (3440260479545).

16011006555655 is a wasteful number, since it uses less digits than its factorization.

16011006555655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189715.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 16011006555655 in words is "sixteen trillion, eleven billion, six million, five hundred fifty-five thousand, six hundred fifty-five".