996653331 has 24 divisors (see below), whose sum is σ = 1449878144. Its totient is φ = 659715840.

The previous prime is 996653327. The next prime is 996653419. The reversal of 996653331 is 133356699.

It is not a de Polignac number, because 996653331 - 2² = 996653327 is a prime.

It is a super-2 number, since 2×996653331² = 1986635724386791122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (996653431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316205 + ... + 1316961.

Almost surely, 2^996653331 is an apocalyptic number.

996653331 is a deficient number, since it is larger than the sum of its proper divisors (453224813).

996653331 is a wasteful number, since it uses less digits than its factorization.

996653331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1608 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 996653331 is about 31569.8167717204. The cubic root of 996653331 is about 998.8831968818.

The spelling of 996653331 in words is "nine hundred ninety-six million, six hundred fifty-three thousand, three hundred thirty-one".