990500166 has 24 divisors (see below), whose sum is σ = 2147384304. Its totient is φ = 329966640.

The previous prime is 990500143. The next prime is 990500167. The reversal of 990500166 is 661005099.

990500166 is a `hidden beast` number, since 9 + 90 + 500 + 1 + 66 = 666.

990500166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 990500166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990500167) 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, 15535 + ... + 47141.

It is an arithmetic number, because the mean of its divisors is an integer number (89474346).

Almost surely, 2^990500166 is an apocalyptic number.

990500166 is an abundant number, since it is smaller than the sum of its proper divisors (1156884138).

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

990500166 is a wasteful number, since it uses less digits than its factorization.

990500166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33356 (or 33353 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 990500166 is about 31472.2126009596. The cubic root of 990500166 is about 996.8233079802.

The spelling of 990500166 in words is "nine hundred ninety million, five hundred thousand, one hundred sixty-six".