1165833663600 has 120 divisors (see below), whose sum is σ = 3954233542320. Its totient is φ = 292601384960.

The previous prime is 1165833663569. The next prime is 1165833663637. The reversal of 1165833663600 is 63663385611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1165833663600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28553955 + ... + 28594754.

It is an arithmetic number, because the mean of its divisors is an integer number (32951946186).

Almost surely, 2^{1165833663600} is an apocalyptic number.

1165833663600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165833663600 is an abundant number, since it is smaller than the sum of its proper divisors (2788399878720).

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

1165833663600 is a wasteful number, since it uses less digits than its factorization.

1165833663600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57148747 (or 57148736 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 1165833663600 in words is "one trillion, one hundred sixty-five billion, eight hundred thirty-three million, six hundred sixty-three thousand, six hundred".