10268999656 has 8 divisors (see below), whose sum is σ = 19254374370. Its totient is φ = 5134499824.

The previous prime is 10268999641. The next prime is 10268999693. The reversal of 10268999656 is 65699986201.

10268999656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10147338756 + 121660900 = 100734^2 + 11030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×10268999656³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10268999594 and 10268999603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641812471 + ... + 641812486.

Almost surely, 2^10268999656 is an apocalyptic number.

It is an amenable number.

10268999656 is a deficient number, since it is larger than the sum of its proper divisors (8985374714).

10268999656 is a wasteful number, since it uses less digits than its factorization.

10268999656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283624963 (or 1283624959 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 10268999656 in words is "ten billion, two hundred sixty-eight million, nine hundred ninety-nine thousand, six hundred fifty-six".