1198706537664 has 70 divisors (see below), whose sum is σ = 3553341713724. Its totient is φ = 399568844160.

The previous prime is 1198706537591. The next prime is 1198706537671. The reversal of 1198706537664 is 4667356078911.

1198706537664 is a `hidden beast` number, since 1 + 1 + 98 + 7 + 0 + 6 + 537 + 6 + 6 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 115610802 + ... + 115621169.

Almost surely, 2^{1198706537664} is an apocalyptic number.

It is an amenable number.

1198706537664 is an abundant number, since it is smaller than the sum of its proper divisors (2354635176060).

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

1198706537664 is an equidigital number, since it uses as much as digits as its factorization.

1198706537664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231231995 (or 231231976 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 1198706537664 in words is "one trillion, one hundred ninety-eight billion, seven hundred six million, five hundred thirty-seven thousand, six hundred sixty-four".