1115166165164 has 6 divisors (see below), whose sum is σ = 1951540789044. Its totient is φ = 557583082580.

The previous prime is 1115166165161. The next prime is 1115166165209. The reversal of 1115166165164 is 4615616615111.

It is not an unprimeable number, because it can be changed into a prime (1115166165161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139395770642 + ... + 139395770649.

It is an arithmetic number, because the mean of its divisors is an integer number (325256798174).

Almost surely, 2^{1115166165164} is an apocalyptic number.

It is an amenable number.

1115166165164 is a deficient number, since it is larger than the sum of its proper divisors (836374623880).

1115166165164 is a wasteful number, since it uses less digits than its factorization.

1115166165164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278791541295 (or 278791541293 counting only the distinct ones).

The product of its digits is 129600, while the sum is 44.

The spelling of 1115166165164 in words is "one trillion, one hundred fifteen billion, one hundred sixty-six million, one hundred sixty-five thousand, one hundred sixty-four".