169800380 has 12 divisors (see below), whose sum is σ = 356580840. Its totient is φ = 67920144.

The previous prime is 169800353. The next prime is 169800419. The reversal of 169800380 is 83008961.

It is a self number, because there is not a number n which added to its sum of digits gives 169800380.

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, 4244990 + ... + 4245029.

It is an arithmetic number, because the mean of its divisors is an integer number (29715070).

Almost surely, 2^169800380 is an apocalyptic number.

169800380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169800380 is an abundant number, since it is smaller than the sum of its proper divisors (186780460).

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

169800380 is a wasteful number, since it uses less digits than its factorization.

169800380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490028 (or 8490026 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 169800380 is about 13030.7474843157. The cubic root of 169800380 is about 553.7489120093.

The spelling of 169800380 in words is "one hundred sixty-nine million, eight hundred thousand, three hundred eighty".