1168500553 has 8 divisors (see below), whose sum is σ = 1276279200. Its totient is φ = 1060980480.

The previous prime is 1168500523. The next prime is 1168500617. The reversal of 1168500553 is 3550058611.

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 1168500553 - 2⁵ = 1168500521 is a prime.

It is a super-2 number, since 2×1168500553² = 2730787084722611618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168500523) 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, 55128 + ... + 73321.

It is an arithmetic number, because the mean of its divisors is an integer number (159534900).

Almost surely, 2^1168500553 is an apocalyptic number.

It is an amenable number.

1168500553 is a deficient number, since it is larger than the sum of its proper divisors (107778647).

1168500553 is a wasteful number, since it uses less digits than its factorization.

1168500553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129287.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1168500553 is about 34183.3373590116. The cubic root of 1168500553 is about 1053.2779053935.

The spelling of 1168500553 in words is "one billion, one hundred sixty-eight million, five hundred thousand, five hundred fifty-three".