169970345 has 24 divisors (see below), whose sum is σ = 215006400. Its totient is φ = 128977376.

The previous prime is 169970279. The next prime is 169970351. The reversal of 169970345 is 543079961.

It is not a de Polignac number, because 169970345 - 2¹⁴ = 169953961 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 169970296 and 169970305.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 473276 + ... + 473634.

It is an arithmetic number, because the mean of its divisors is an integer number (8958600).

Almost surely, 2^169970345 is an apocalyptic number.

It is an amenable number.

169970345 is a deficient number, since it is larger than the sum of its proper divisors (45036055).

169970345 is a wasteful number, since it uses less digits than its factorization.

169970345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 169970345 is about 13037.2675434694. The cubic root of 169970345 is about 553.9336123188.

The spelling of 169970345 in words is "one hundred sixty-nine million, nine hundred seventy thousand, three hundred forty-five".