10671601669 has 4 divisors (see below), whose sum is σ = 10919778496. Its totient is φ = 10423424844.

The previous prime is 10671601657. The next prime is 10671601747. The reversal of 10671601669 is 96610617601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96610617601 = 37 ⋅2611097773.

It is a cyclic number.

It is not a de Polignac number, because 10671601669 - 2¹¹ = 10671599621 is a prime.

It is a super-2 number, since 2×10671601669² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 248176783 = 10671601669 / (1 + 0 + 6 + 7 + 1 + 6 + 0 + 1 + 6 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10671605669) 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, 124088349 + ... + 124088434.

It is an arithmetic number, because the mean of its divisors is an integer number (2729944624).

Almost surely, 2^10671601669 is an apocalyptic number.

It is an amenable number.

10671601669 is a deficient number, since it is larger than the sum of its proper divisors (248176827).

10671601669 is an equidigital number, since it uses as much as digits as its factorization.

10671601669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248176826.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 10671601669 in words is "ten billion, six hundred seventy-one million, six hundred one thousand, six hundred sixty-nine".