1655006555 has 8 divisors (see below), whose sum is σ = 2018565744. Its totient is φ = 1302300000.

The previous prime is 1655006537. The next prime is 1655006569. The reversal of 1655006555 is 5556005561.

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

It is not a de Polignac number, because 1655006555 - 2¹⁸ = 1654744411 is a prime.

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, 2712821 + ... + 2713430.

It is an arithmetic number, because the mean of its divisors is an integer number (252320718).

Almost surely, 2^1655006555 is an apocalyptic number.

1655006555 is a deficient number, since it is larger than the sum of its proper divisors (363559189).

1655006555 is an equidigital number, since it uses as much as digits as its factorization.

1655006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426317.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 1655006555 is about 40681.7717780335. The cubic root of 1655006555 is about 1182.8597102595.

It can be divided in two parts, 1655006 and 555, that added together give a palindrome (1655561).

The spelling of 1655006555 in words is "one billion, six hundred fifty-five million, six thousand, five hundred fifty-five".