1087180660 has 24 divisors (see below), whose sum is σ = 2297092896. Its totient is φ = 432203040.

The previous prime is 1087180631. The next prime is 1087180673. The reversal of 1087180660 is 660817801.

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, 163486 + ... + 170005.

It is an arithmetic number, because the mean of its divisors is an integer number (95712204).

Almost surely, 2^1087180660 is an apocalyptic number.

1087180660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087180660 is an abundant number, since it is smaller than the sum of its proper divisors (1209912236).

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

1087180660 is a wasteful number, since it uses less digits than its factorization.

1087180660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333663 (or 333661 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1087180660 is about 32972.4227196001. The cubic root of 1087180660 is about 1028.2543908069.

The spelling of 1087180660 in words is "one billion, eighty-seven million, one hundred eighty thousand, six hundred sixty".