169094972 has 6 divisors (see below), whose sum is σ = 295916208. Its totient is φ = 84547484.

The previous prime is 169094953. The next prime is 169094977. The reversal of 169094972 is 279490961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169094977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21136868 + ... + 21136875.

It is an arithmetic number, because the mean of its divisors is an integer number (49319368).

Almost surely, 2^169094972 is an apocalyptic number.

It is an amenable number.

169094972 is a deficient number, since it is larger than the sum of its proper divisors (126821236).

169094972 is a wasteful number, since it uses less digits than its factorization.

169094972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42273747 (or 42273745 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 169094972 is about 13003.6522561933. The cubic root of 169094972 is about 552.9810278124.

The spelling of 169094972 in words is "one hundred sixty-nine million, ninety-four thousand, nine hundred seventy-two".