169042706061 has 4 divisors (see below), whose sum is σ = 225390274752. Its totient is φ = 112695137372.

The previous prime is 169042705991. The next prime is 169042706069. The reversal of 169042706061 is 160607240961.

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.

It is a cyclic number.

It is not a de Polignac number, because 169042706061 - 2⁷ = 169042705933 is a prime.

It is a super-2 number, since 2×169042706061² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169042706069) 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, 28173784341 + ... + 28173784346.

It is an arithmetic number, because the mean of its divisors is an integer number (56347568688).

Almost surely, 2^169042706061 is an apocalyptic number.

It is an amenable number.

169042706061 is a deficient number, since it is larger than the sum of its proper divisors (56347568691).

169042706061 is an equidigital number, since it uses as much as digits as its factorization.

169042706061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56347568690.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 169042706061 in words is "one hundred sixty-nine billion, forty-two million, seven hundred six thousand, sixty-one".