169094740 has 12 divisors (see below), whose sum is σ = 355098996. Its totient is φ = 67637888.

The previous prime is 169094719. The next prime is 169094741. The reversal of 169094740 is 47490961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22297284 + 146797456 = 4722^2 + 12116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 169094693 and 169094702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169094741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4227349 + ... + 4227388.

It is an arithmetic number, because the mean of its divisors is an integer number (29591583).

Almost surely, 2^169094740 is an apocalyptic number.

169094740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169094740 is an abundant number, since it is smaller than the sum of its proper divisors (186004256).

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

169094740 is a wasteful number, since it uses less digits than its factorization.

169094740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454746 (or 8454744 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 169094740 is about 13003.6433356194. The cubic root of 169094740 is about 552.9807749138.

The spelling of 169094740 in words is "one hundred sixty-nine million, ninety-four thousand, seven hundred forty".