10684161647 has 4 divisors (see below), whose sum is σ = 10689154056. Its totient is φ = 10679169240.

The previous prime is 10684161617. The next prime is 10684161659. The reversal of 10684161647 is 74616148601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74616148601 = 157 ⋅475262093.

It is a cyclic number.

It is not a de Polignac number, because 10684161647 - 2¹² = 10684157551 is a prime.

It is a super-2 number, since 2×10684161647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10684161598 and 10684161607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10684161617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492993 + ... + 2497274.

It is an arithmetic number, because the mean of its divisors is an integer number (2672288514).

Almost surely, 2^10684161647 is an apocalyptic number.

10684161647 is a deficient number, since it is larger than the sum of its proper divisors (4992409).

10684161647 is an equidigital number, since it uses as much as digits as its factorization.

10684161647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992408.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 10684161647 in words is "ten billion, six hundred eighty-four million, one hundred sixty-one thousand, six hundred forty-seven".