10681992 has 24 divisors (see below), whose sum is σ = 28930590. Its totient is φ = 3560640.

The previous prime is 10681987. The next prime is 10681997. The reversal of 10681992 is 29918601.

10681992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10681987) and next prime (10681997).

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 910116 = 3126^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×10681992² = 228209906176128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10681997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74109 + ... + 74252.

Almost surely, 2^10681992 is an apocalyptic number.

10681992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10681992 is an abundant number, since it is smaller than the sum of its proper divisors (18248598).

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

10681992 is a wasteful number, since it uses less digits than its factorization.

10681992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148373 (or 148366 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 10681992 is about 3268.3316845143. The cubic root of 10681992 is about 220.2338560104.

The spelling of 10681992 in words is "ten million, six hundred eighty-one thousand, nine hundred ninety-two".