169864044 has 24 divisors (see below), whose sum is σ = 452971008. Its totient is φ = 48532560.

The previous prime is 169864033. The next prime is 169864069. The reversal of 169864044 is 440468961.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 169863987 and 169864005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011012 + ... + 1011179.

It is an arithmetic number, because the mean of its divisors is an integer number (18873792).

Almost surely, 2^169864044 is an apocalyptic number.

169864044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

169864044 is an abundant number, since it is smaller than the sum of its proper divisors (283106964).

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

169864044 is a wasteful number, since it uses less digits than its factorization.

169864044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022205 (or 2022203 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 169864044 is about 13033.1900929895. The cubic root of 169864044 is about 553.8181098633.

The spelling of 169864044 in words is "one hundred sixty-nine million, eight hundred sixty-four thousand, forty-four".