992670660 has 96 divisors (see below), whose sum is σ = 3134517120. Its totient is φ = 260751744.

The previous prime is 992670649. The next prime is 992670661. The reversal of 992670660 is 66076299.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (992670661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22462 + ... + 49898.

It is an arithmetic number, because the mean of its divisors is an integer number (32651220).

Almost surely, 2^992670660 is an apocalyptic number.

992670660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992670660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567258560).

992670660 is an abundant number, since it is smaller than the sum of its proper divisors (2141846460).

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

992670660 is a wasteful number, since it uses less digits than its factorization.

992670660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27522 (or 27514 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 992670660 is about 31506.6764353208. The cubic root of 992670660 is about 997.5508934404.

The spelling of 992670660 in words is "nine hundred ninety-two million, six hundred seventy thousand, six hundred sixty".