990665014395 has 96 divisors (see below), whose sum is σ = 1909466963712. Its totient is φ = 437012851968.

The previous prime is 990665014369. The next prime is 990665014433. The reversal of 990665014395 is 593410566099.

It is a happy number.

It is not a de Polignac number, because 990665014395 - 2⁸ = 990665014139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2434389 + ... + 2812041.

It is an arithmetic number, because the mean of its divisors is an integer number (19890280872).

Almost surely, 2^990665014395 is an apocalyptic number.

990665014395 is a deficient number, since it is larger than the sum of its proper divisors (918801949317).

990665014395 is a wasteful number, since it uses less digits than its factorization.

990665014395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377801 (or 377794 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 57.

The spelling of 990665014395 in words is "nine hundred ninety billion, six hundred sixty-five million, fourteen thousand, three hundred ninety-five".