10660978140 has 48 divisors (see below), whose sum is σ = 29855323680. Its totient is φ = 2842490880.

The previous prime is 10660978121. The next prime is 10660978157. The reversal of 10660978140 is 4187906601.

It is a super-2 number, since 2×10660978140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10660978092 and 10660978101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635460 + ... + 652020.

It is an arithmetic number, because the mean of its divisors is an integer number (621985910).

Almost surely, 2^10660978140 is an apocalyptic number.

10660978140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10660978140 is an abundant number, since it is smaller than the sum of its proper divisors (19194345540).

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

10660978140 is a wasteful number, since it uses less digits than its factorization.

10660978140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27302 (or 27300 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 10660978140 in words is "ten billion, six hundred sixty million, nine hundred seventy-eight thousand, one hundred forty".