197330001660 has 432 divisors, whose sum is σ = 693608793696. Its totient is φ = 47044800000.

The previous prime is 197330001607. The next prime is 197330001683. The reversal of 197330001660 is 66100033791.

197330001660 is a `hidden beast` number, since 197 + 3 + 300 + 0 + 166 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35868910 + ... + 35874410.

Almost surely, 2^197330001660 is an apocalyptic number.

197330001660 is a gapful number since it is divisible by the number (10) 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 197330001660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346804396848).

197330001660 is an abundant number, since it is smaller than the sum of its proper divisors (496278792036).

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

197330001660 is a wasteful number, since it uses less digits than its factorization.

197330001660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 197330001660 in words is "one hundred ninety-seven billion, three hundred thirty million, one thousand, six hundred sixty".