169940091934 has 4 divisors (see below), whose sum is σ = 254910137904. Its totient is φ = 84970045966.

The previous prime is 169940091929. The next prime is 169940091941. The reversal of 169940091934 is 439190049961.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42485022982 + ... + 42485022985.

It is an arithmetic number, because the mean of its divisors is an integer number (63727534476).

Almost surely, 2^169940091934 is an apocalyptic number.

169940091934 is a deficient number, since it is larger than the sum of its proper divisors (84970045970).

169940091934 is an equidigital number, since it uses as much as digits as its factorization.

169940091934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84970045969.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 169940091934 in words is "one hundred sixty-nine billion, nine hundred forty million, ninety-one thousand, nine hundred thirty-four".