1655261755 has 8 divisors (see below), whose sum is σ = 2270073312. Its totient is φ = 1135036608.

The previous prime is 1655261753. The next prime is 1655261759. The reversal of 1655261755 is 5571625561.

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

It is a cyclic number.

It is not a de Polignac number, because 1655261755 - 2¹ = 1655261753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1655261753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23646562 + ... + 23646631.

It is an arithmetic number, because the mean of its divisors is an integer number (283759164).

Almost surely, 2^1655261755 is an apocalyptic number.

1655261755 is a deficient number, since it is larger than the sum of its proper divisors (614811557).

1655261755 is an equidigital number, since it uses as much as digits as its factorization.

1655261755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47293205.

The product of its digits is 315000, while the sum is 43.

The square root of 1655261755 is about 40684.9081970207. The cubic root of 1655261755 is about 1182.9205056448.

It can be divided in two parts, 165526 and 1755, that added together give a square (167281 = 409²).

The spelling of 1655261755 in words is "one billion, six hundred fifty-five million, two hundred sixty-one thousand, seven hundred fifty-five".