1188953600660 has 24 divisors (see below), whose sum is σ = 2853488641920. Its totient is φ = 407641234464.

The previous prime is 1188953600657. The next prime is 1188953600759. The reversal of 1188953600660 is 660063598811.

It is a super-2 number, since 2×1188953600660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4246262720 + ... + 4246262999.

It is an arithmetic number, because the mean of its divisors is an integer number (118895360080).

Almost surely, 2^{1188953600660} is an apocalyptic number.

1188953600660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1188953600660 is an abundant number, since it is smaller than the sum of its proper divisors (1664535041260).

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

1188953600660 is a wasteful number, since it uses less digits than its factorization.

1188953600660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492525735 (or 8492525733 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1188953600660 in words is "one trillion, one hundred eighty-eight billion, nine hundred fifty-three million, six hundred thousand, six hundred sixty".