197880153 has 8 divisors (see below), whose sum is σ = 279360288. Its totient is φ = 124160064.

The previous prime is 197880149. The next prime is 197880167. The reversal of 197880153 is 351088791.

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

It is not a de Polignac number, because 197880153 - 2² = 197880149 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197880113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939951 + ... + 1940052.

It is an arithmetic number, because the mean of its divisors is an integer number (34920036).

Almost surely, 2^197880153 is an apocalyptic number.

It is an amenable number.

197880153 is a deficient number, since it is larger than the sum of its proper divisors (81480135).

197880153 is a wasteful number, since it uses less digits than its factorization.

197880153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880023.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 197880153 is about 14066.9880571500. The cubic root of 197880153 is about 582.7300477142.

The spelling of 197880153 in words is "one hundred ninety-seven million, eight hundred eighty thousand, one hundred fifty-three".