996632636285 has 32 divisors (see below), whose sum is σ = 1405214818560. Its totient is φ = 668986214400.

The previous prime is 996632636261. The next prime is 996632636297. The reversal of 996632636285 is 582636236699.

It is not a de Polignac number, because 996632636285 - 2¹⁴ = 996632619901 is a prime.

It is a super-2 number, since 2×996632636285² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6074480 + ... + 6236390.

It is an arithmetic number, because the mean of its divisors is an integer number (43912963080).

Almost surely, 2^996632636285 is an apocalyptic number.

It is an amenable number.

996632636285 is a deficient number, since it is larger than the sum of its proper divisors (408582182275).

996632636285 is a wasteful number, since it uses less digits than its factorization.

996632636285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170549.

The product of its digits is 151165440, while the sum is 65.

The spelling of 996632636285 in words is "nine hundred ninety-six billion, six hundred thirty-two million, six hundred thirty-six thousand, two hundred eighty-five".