161066808 has 48 divisors (see below), whose sum is σ = 498541680. Its totient is φ = 46018944.

The previous prime is 161066803. The next prime is 161066827. The reversal of 161066808 is 808660161.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161066803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159285 + ... + 160292.

It is an arithmetic number, because the mean of its divisors is an integer number (10386285).

Almost surely, 2^161066808 is an apocalyptic number.

161066808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

161066808 is an abundant number, since it is smaller than the sum of its proper divisors (337474872).

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

161066808 is a wasteful number, since it uses less digits than its factorization.

161066808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319596 (or 319589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 161066808 is about 12691.2098714031. The cubic root of 161066808 is about 544.0874192701.

The spelling of 161066808 in words is "one hundred sixty-one million, sixty-six thousand, eight hundred eight".