999160403 has 8 divisors (see below), whose sum is σ = 1040202480. Its totient is φ = 958557600.

The previous prime is 999160373. The next prime is 999160423. The reversal of 999160403 is 304061999.

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 999160403 - 2¹⁰ = 999159379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999160423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105173 + ... + 114278.

It is an arithmetic number, because the mean of its divisors is an integer number (130025310).

Almost surely, 2^999160403 is an apocalyptic number.

999160403 is a deficient number, since it is larger than the sum of its proper divisors (41042077).

999160403 is a wasteful number, since it uses less digits than its factorization.

999160403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219637.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 999160403 is about 31609.4986198769. The cubic root of 999160403 is about 999.7200559720.

The spelling of 999160403 in words is "nine hundred ninety-nine million, one hundred sixty thousand, four hundred three".