996377181 has 32 divisors (see below), whose sum is σ = 1428848640. Its totient is φ = 615979584.

The previous prime is 996377177. The next prime is 996377183. The reversal of 996377181 is 181773699.

It is not a de Polignac number, because 996377181 - 2² = 996377177 is a prime.

It is a super-2 number, since 2×996377181² = 1985534973635013522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996377183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977290 + ... + 978308.

It is an arithmetic number, because the mean of its divisors is an integer number (44651520).

Almost surely, 2^996377181 is an apocalyptic number.

It is an amenable number.

996377181 is a deficient number, since it is larger than the sum of its proper divisors (432471459).

996377181 is a wasteful number, since it uses less digits than its factorization.

996377181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its digits is 571536, while the sum is 51.

The square root of 996377181 is about 31565.4428291447. The cubic root of 996377181 is about 998.7909324114.

The spelling of 996377181 in words is "nine hundred ninety-six million, three hundred seventy-seven thousand, one hundred eighty-one".