1168108621 has 8 divisors (see below), whose sum is σ = 1179741024. Its totient is φ = 1156489680.

The previous prime is 1168108577. The next prime is 1168108639. The reversal of 1168108621 is 1268018611.

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 1168108621 - 2⁷ = 1168108493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168108421) 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, 328111 + ... + 331651.

It is an arithmetic number, because the mean of its divisors is an integer number (147467628).

Almost surely, 2^1168108621 is an apocalyptic number.

It is an amenable number.

1168108621 is a deficient number, since it is larger than the sum of its proper divisors (11632403).

1168108621 is a wasteful number, since it uses less digits than its factorization.

1168108621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1168108621 is about 34177.6040851315. The cubic root of 1168108621 is about 1053.1601306727.

The spelling of 1168108621 in words is "one billion, one hundred sixty-eight million, one hundred eight thousand, six hundred twenty-one".