16655062501605 has 16 divisors (see below), whose sum is σ = 29070654548544. Its totient is φ = 8075181818880.

The previous prime is 16655062501601. The next prime is 16655062501621. The reversal of 16655062501605 is 50610526055661.

It is not a de Polignac number, because 16655062501605 - 2² = 16655062501601 is a prime.

It is a super-2 number, since 2×16655062501605² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655062501601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50469886204 + ... + 50469886533.

It is an arithmetic number, because the mean of its divisors is an integer number (1816915909284).

Almost surely, 2^{16655062501605} is an apocalyptic number.

16655062501605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16655062501605 is a deficient number, since it is larger than the sum of its proper divisors (12415592046939).

16655062501605 is a wasteful number, since it uses less digits than its factorization.

16655062501605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100939772756.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 16655062501605 in words is "sixteen trillion, six hundred fifty-five billion, sixty-two million, five hundred one thousand, six hundred five".