10981680 has 40 divisors (see below), whose sum is σ = 34043952. Its totient is φ = 2928384.

The previous prime is 10981673. The next prime is 10981681. The reversal of 10981680 is 8618901.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10981681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22639 + ... + 23118.

Almost surely, 2^10981680 is an apocalyptic number.

10981680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10981680 is an abundant number, since it is smaller than the sum of its proper divisors (23062272).

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

10981680 is a wasteful number, since it uses less digits than its factorization.

10981680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45773 (or 45767 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 10981680 is about 3313.8617955491. The cubic root of 10981680 is about 222.2744758602.

The spelling of 10981680 in words is "ten million, nine hundred eighty-one thousand, six hundred eighty".