1168867155457 has 8 divisors (see below), whose sum is σ = 1176418202112. Its totient is φ = 1161331018800.

The previous prime is 1168867155431. The next prime is 1168867155497. The reversal of 1168867155457 is 7545517688611.

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 a de Polignac number, because none of the positive numbers 2^k-1168867155457 is a prime.

It is a super-2 number, since 2×1168867155457² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168867155427) 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, 3570183 + ... + 3883804.

It is an arithmetic number, because the mean of its divisors is an integer number (147052275264).

Almost surely, 2^{1168867155457} is an apocalyptic number.

It is an amenable number.

1168867155457 is a deficient number, since it is larger than the sum of its proper divisors (7551046655).

1168867155457 is an equidigital number, since it uses as much as digits as its factorization.

1168867155457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454999.

The product of its digits is 56448000, while the sum is 64.

The spelling of 1168867155457 in words is "one trillion, one hundred sixty-eight billion, eight hundred sixty-seven million, one hundred fifty-five thousand, four hundred fifty-seven".