197166983 has 8 divisors (see below), whose sum is σ = 212830128. Its totient is φ = 181574784.

The previous prime is 197166973. The next prime is 197166989. The reversal of 197166983 is 389661791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197166983 - 2¹² = 197162887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197166989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11885 + ... + 23142.

It is an arithmetic number, because the mean of its divisors is an integer number (26603766).

Almost surely, 2^197166983 is an apocalyptic number.

197166983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

197166983 is a deficient number, since it is larger than the sum of its proper divisors (15663145).

197166983 is a wasteful number, since it uses less digits than its factorization.

197166983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35473.

The product of its digits is 489888, while the sum is 50.

The square root of 197166983 is about 14041.6161106904. The cubic root of 197166983 is about 582.0291422290.

The spelling of 197166983 in words is "one hundred ninety-seven million, one hundred sixty-six thousand, nine hundred eighty-three".