169000812 has 18 divisors (see below), whose sum is σ = 427196588. Its totient is φ = 56333592.

The previous prime is 169000789. The next prime is 169000813. The reversal of 169000812 is 218000961.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×169000812² = 57122548913318688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (169000813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2347198 + ... + 2347269.

Almost surely, 2^169000812 is an apocalyptic number.

169000812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

169000812 is an abundant number, since it is smaller than the sum of its proper divisors (258195776).

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

169000812 is a wasteful number, since it uses less digits than its factorization.

169000812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694477 (or 4694472 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 169000812 is about 13000.0312307317. The cubic root of 169000812 is about 552.8783668428.

The spelling of 169000812 in words is "one hundred sixty-nine million, eight hundred twelve", and thus it is an aban number.