1163598334650 has 144 divisors (see below), whose sum is σ = 3227803907328. Its totient is φ = 300212928000.

The previous prime is 1163598334649. The next prime is 1163598334663. The reversal of 1163598334650 is 564338953611.

1163598334650 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 598 + 3 + 3 + 46 + 5 + 0 = 666.

It is a super-2 number, since 2×1163598334650² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 87278485 + ... + 87291815.

It is an arithmetic number, because the mean of its divisors is an integer number (22415304912).

Almost surely, 2^{1163598334650} is an apocalyptic number.

1163598334650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163598334650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613901953664).

1163598334650 is an abundant number, since it is smaller than the sum of its proper divisors (2064205572678).

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

1163598334650 is a wasteful number, since it uses less digits than its factorization.

1163598334650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637 (or 19629 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 1163598334650 in words is "one trillion, one hundred sixty-three billion, five hundred ninety-eight million, three hundred thirty-four thousand, six hundred fifty".