16655056605 has 96 divisors (see below), whose sum is σ = 32894709120. Its totient is φ = 7723261440.

The previous prime is 16655056601. The next prime is 16655056609. The reversal of 16655056605 is 50665055661.

It is an interprime number because it is at equal distance from previous prime (16655056601) and next prime (16655056609).

It is not a de Polignac number, because 16655056605 - 2² = 16655056601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655056601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1072879 + ... + 1088291.

It is an arithmetic number, because the mean of its divisors is an integer number (342653220).

Almost surely, 2^16655056605 is an apocalyptic number.

16655056605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16655056605 is a deficient number, since it is larger than the sum of its proper divisors (16239652515).

16655056605 is a wasteful number, since it uses less digits than its factorization.

16655056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531 (or 15528 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

It can be divided in two parts, 16655056 and 605, that added together give a palindrome (16655661).

The spelling of 16655056605 in words is "sixteen billion, six hundred fifty-five million, fifty-six thousand, six hundred five".