4091156170368 has 128 divisors (see below), whose sum is σ = 11098622203200. Its totient is φ = 1334792110080.

The previous prime is 4091156170363. The next prime is 4091156170417. The reversal of 4091156170368 is 8630716511904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 4091156170368.

It is not an unprimeable number, because it can be changed into a prime (4091156170363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8287608 + ... + 8767368.

Almost surely, 2^{4091156170368} is an apocalyptic number.

4091156170368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4091156170368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5549311101600).

4091156170368 is an abundant number, since it is smaller than the sum of its proper divisors (7007466032832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4091156170368 is a wasteful number, since it uses less digits than its factorization.

4091156170368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480250 (or 480238 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 4091156170368 in words is "four trillion, ninety-one billion, one hundred fifty-six million, one hundred seventy thousand, three hundred sixty-eight".