10681581464 has 32 divisors (see below), whose sum is σ = 20683175040. Its totient is φ = 5166220800.

The previous prime is 10681581437. The next prime is 10681581479. The reversal of 10681581464 is 46418518601.

It is a super-2 number, since 2×10681581464² (a number of 21 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, 641792 + ... + 658224.

It is an arithmetic number, because the mean of its divisors is an integer number (646349220).

Almost surely, 2^10681581464 is an apocalyptic number.

It is an amenable number.

10681581464 is a deficient number, since it is larger than the sum of its proper divisors (10001593576).

10681581464 is a wasteful number, since it uses less digits than its factorization.

10681581464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091 (or 19087 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 10681581464 in words is "ten billion, six hundred eighty-one million, five hundred eighty-one thousand, four hundred sixty-four".