992995668 has 72 divisors (see below), whose sum is σ = 2895052160. Its totient is φ = 281102400.

The previous prime is 992995667. The next prime is 992995669. The reversal of 992995668 is 866599299.

It is an interprime number because it is at equal distance from previous prime (992995667) and next prime (992995669).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992995667) 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, 9393 + ... + 45543.

Almost surely, 2^992995668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992995668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447526080).

992995668 is an abundant number, since it is smaller than the sum of its proper divisors (1902056492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

992995668 is a wasteful number, since it uses less digits than its factorization.

992995668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36277 (or 36272 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 63.

The square root of 992995668 is about 31511.8337771701. The cubic root of 992995668 is about 997.6597501697.

The spelling of 992995668 in words is "nine hundred ninety-two million, nine hundred ninety-five thousand, six hundred sixty-eight".