169980148 has 12 divisors (see below), whose sum is σ = 320347300. Its totient is φ = 78452352.

The previous prime is 169980133. The next prime is 169980191. The reversal of 169980148 is 841089961.

It can be written as a sum of positive squares in 2 ways, for example, as 112402404 + 57577744 = 10602^2 + 7588^2 .

It is a hoax number, since the sum of its digits (46) 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 = 169980098 and 169980107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634373 + ... + 1634476.

Almost surely, 2^169980148 is an apocalyptic number.

It is an amenable number.

169980148 is a deficient number, since it is larger than the sum of its proper divisors (150367152).

169980148 is a wasteful number, since it uses less digits than its factorization.

169980148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268866 (or 3268864 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 169980148 is about 13037.6434987309. The cubic root of 169980148 is about 553.9442614447.

The spelling of 169980148 in words is "one hundred sixty-nine million, nine hundred eighty thousand, one hundred forty-eight".