1198639590976 has 63 divisors (see below), whose sum is σ = 2402866339419. Its totient is φ = 593254470528.

The previous prime is 1198639590949. The next prime is 1198639591001. The reversal of 1198639590976 is 6790959368911.

The square root of 1198639590976 is 1094824.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1198639590976² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1198639590899 and 1198639590908.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 937168705 + ... + 937169983.

Almost surely, 2^{1198639590976} is an apocalyptic number.

1198639590976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1198639590976 is the 1094824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198639590976

1198639590976 is an abundant number, since it is smaller than the sum of its proper divisors (1204226748443).

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

1198639590976 is an frugal number, since it uses more digits than its factorization.

1198639590976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 198404640, while the sum is 73.

The spelling of 1198639590976 in words is "one trillion, one hundred ninety-eight billion, six hundred thirty-nine million, five hundred ninety thousand, nine hundred seventy-six".