196953671 has 4 divisors (see below), whose sum is σ = 200669832. Its totient is φ = 193237512.

The previous prime is 196953667. The next prime is 196953719. The reversal of 196953671 is 176359691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196953671 - 2² = 196953667 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196953871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858001 + ... + 1858106.

It is an arithmetic number, because the mean of its divisors is an integer number (50167458).

Almost surely, 2^196953671 is an apocalyptic number.

196953671 is a deficient number, since it is larger than the sum of its proper divisors (3716161).

196953671 is an equidigital number, since it uses as much as digits as its factorization.

196953671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716160.

The product of its digits is 306180, while the sum is 47.

The square root of 196953671 is about 14034.0183482850. The cubic root of 196953671 is about 581.8191702908.

The spelling of 196953671 in words is "one hundred ninety-six million, nine hundred fifty-three thousand, six hundred seventy-one".