997168482 has 42 divisors (see below), whose sum is σ = 2245318203.
Its totient is φ = 331987572.
The previous prime is 997168457. The next prime is 997168489. The reversal of 997168482 is 284861799.
997168482 is a `hidden beast` number, since 99 + 71 + 6 + 8 + 482 = 666.
It can be written as a sum of positive squares in only one way, i.e., 498584241 + 498584241 = 22329^2 + 22329^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22329.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (997168489) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1205353 + ... + 1206179.
Almost surely, 2997168482 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 997168482
997168482 is an abundant number, since it is smaller than the sum of its proper divisors (1248149721).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
997168482 is an frugal number, since it uses more digits than its factorization.
997168482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1674 (or 832 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 54.
The square root of 997168482 is about 31577.9746342288.
The cubic root of 997168482 is about 999.0552684300.
The spelling of 997168482 in words is "nine hundred ninety-seven million, one hundred sixty-eight thousand, four hundred eighty-two".