5500156665 has 16 divisors (see below), whose sum is σ = 8856307008. Its totient is φ = 2914731456.

The previous prime is 5500156661. The next prime is 5500156691. The reversal of 5500156665 is 5666510055.

It is not a de Polignac number, because 5500156665 - 2² = 5500156661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5500156661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165407 + ... + 1170116.

It is an arithmetic number, because the mean of its divisors is an integer number (553519188).

Almost surely, 2^5500156665 is an apocalyptic number.

It is an amenable number.

5500156665 is a deficient number, since it is larger than the sum of its proper divisors (3356150343).

5500156665 is a wasteful number, since it uses less digits than its factorization.

5500156665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335688.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5500156665 is about 74163.0410986497. The cubic root of 5500156665 is about 1765.1909275652.

It can be divided in two parts, 5500 and 156665, that added together give a triangular number (162165 = T₅₆₉).

The spelling of 5500156665 in words is "five billion, five hundred million, one hundred fifty-six thousand, six hundred sixty-five".