990495167 has 8 divisors (see below), whose sum is σ = 1024471680. Its totient is φ = 956645280.

The previous prime is 990495133. The next prime is 990495173. The reversal of 990495167 is 761594099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990495167 - 2¹⁰ = 990494143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990495367) by changing a digit.

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, 15608 + ... + 47165.

It is an arithmetic number, because the mean of its divisors is an integer number (128058960).

Almost surely, 2^990495167 is an apocalyptic number.

990495167 is a deficient number, since it is larger than the sum of its proper divisors (33976513).

990495167 is a wasteful number, since it uses less digits than its factorization.

990495167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63313.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 990495167 is about 31472.1331815942. The cubic root of 990495167 is about 996.8216310065.

The spelling of 990495167 in words is "nine hundred ninety million, four hundred ninety-five thousand, one hundred sixty-seven".