10617447681 has 25 divisors (see below), whose sum is σ = 16010260321. Its totient is φ = 7012146132.

The previous prime is 10617447671. The next prime is 10617447691. The reversal of 10617447681 is 18674471601.

The square root of 10617447681 is 103041.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

10617447681 is a `hidden beast` number, since 1 + 0 + 6 + 174 + 476 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10617447671) and next prime (10617447691).

It is not a de Polignac number, because 10617447681 - 2¹³ = 10617439489 is a prime.

It is a super-2 number, since 2×10617447681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10617447671) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 99228430 + ... + 99228536.

Almost surely, 2^10617447681 is an apocalyptic number.

10617447681 is the 103041-st square number.

10617447681 is the 51521-st centered octagonal number.

It is an amenable number.

10617447681 is a deficient number, since it is larger than the sum of its proper divisors (5392812640).

10617447681 is an frugal number, since it uses more digits than its factorization.

10617447681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 10617447681 in words is "ten billion, six hundred seventeen million, four hundred forty-seven thousand, six hundred eighty-one".