996149511 has 24 divisors (see below), whose sum is σ = 1645633184. Its totient is φ = 568814400.

The previous prime is 996149503. The next prime is 996149513. The reversal of 996149511 is 115941699.

996149511 is a `hidden beast` number, since 9 + 96 + 1 + 49 + 511 = 666.

It is not a de Polignac number, because 996149511 - 2³ = 996149503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996149513) 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, 95661 + ... + 105561.

Almost surely, 2^996149511 is an apocalyptic number.

996149511 is a deficient number, since it is larger than the sum of its proper divisors (649483673).

996149511 is a wasteful number, since it uses less digits than its factorization.

996149511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511 (or 11508 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The square root of 996149511 is about 31561.8363058932. The cubic root of 996149511 is about 998.7148527708.

The spelling of 996149511 in words is "nine hundred ninety-six million, one hundred forty-nine thousand, five hundred eleven".