196621955 has 8 divisors (see below), whose sum is σ = 236022000. Its totient is φ = 157247136.

The previous prime is 196621927. The next prime is 196621981. The reversal of 196621955 is 559126691.

196621955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 196621955 - 2¹² = 196617859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24821 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (29502750).

Almost surely, 2^196621955 is an apocalyptic number.

196621955 is a deficient number, since it is larger than the sum of its proper divisors (39400045).

196621955 is an equidigital number, since it uses as much as digits as its factorization.

196621955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613.

The product of its digits is 145800, while the sum is 44.

The square root of 196621955 is about 14022.1950849359. The cubic root of 196621955 is about 581.4923469317.

The spelling of 196621955 in words is "one hundred ninety-six million, six hundred twenty-one thousand, nine hundred fifty-five".