7166485555 has 8 divisors (see below), whose sum is σ = 8717588352. Its totient is φ = 5654651328.

The previous prime is 7166485549. The next prime is 7166485559. The reversal of 7166485555 is 5555846617.

It is a happy number.

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 7166485555 - 2⁵ = 7166485523 is a prime.

It is a super-3 number, since 3×7166485555³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7166485559) 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, 9816739 + ... + 9817468.

It is an arithmetic number, because the mean of its divisors is an integer number (1089698544).

Almost surely, 2^7166485555 is an apocalyptic number.

7166485555 is a deficient number, since it is larger than the sum of its proper divisors (1551102797).

7166485555 is a wasteful number, since it uses less digits than its factorization.

7166485555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634285.

The product of its digits is 5040000, while the sum is 52.

The square root of 7166485555 is about 84655.0976315071. The cubic root of 7166485555 is about 1927.9780120474.

The spelling of 7166485555 in words is "seven billion, one hundred sixty-six million, four hundred eighty-five thousand, five hundred fifty-five".