996018386555 has 32 divisors (see below), whose sum is σ = 1285593984000. Its totient is φ = 738415222272.

The previous prime is 996018386521. The next prime is 996018386581. The reversal of 996018386555 is 555683810699.

It is not a de Polignac number, because 996018386555 - 2⁶ = 996018386491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996018386491 and 996018386500.

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, 8303396 + ... + 8422494.

It is an arithmetic number, because the mean of its divisors is an integer number (40174812000).

Almost surely, 2^996018386555 is an apocalyptic number.

996018386555 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

996018386555 is a deficient number, since it is larger than the sum of its proper divisors (289575597445).

996018386555 is a wasteful number, since it uses less digits than its factorization.

996018386555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121043.

The product of its (nonzero) digits is 69984000, while the sum is 65.

The spelling of 996018386555 in words is "nine hundred ninety-six billion, eighteen million, three hundred eighty-six thousand, five hundred fifty-five".