169441434690 has 64 divisors (see below), whose sum is σ = 443669667840. Its totient is φ = 41072898240.

The previous prime is 169441434649. The next prime is 169441434703. The reversal of 169441434690 is 96434144961.

It is a super-2 number, since 2×169441434690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5411901 + ... + 5443119.

It is an arithmetic number, because the mean of its divisors is an integer number (6932338560).

Almost surely, 2^169441434690 is an apocalyptic number.

169441434690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169441434690 is an abundant number, since it is smaller than the sum of its proper divisors (274228233150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169441434690 is a wasteful number, since it uses less digits than its factorization.

169441434690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47687.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 169441434690 in words is "one hundred sixty-nine billion, four hundred forty-one million, four hundred thirty-four thousand, six hundred ninety".