196679667 has 4 divisors (see below), whose sum is σ = 262239560. Its totient is φ = 131119776.

The previous prime is 196679629. The next prime is 196679669. The reversal of 196679667 is 766976691.

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

It is not a de Polignac number, because 196679667 - 2⁸ = 196679411 is a prime.

It is a super-2 number, since 2×196679667² = 77365782822461778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196679669) 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, 32779942 + ... + 32779947.

It is an arithmetic number, because the mean of its divisors is an integer number (65559890).

Almost surely, 2^196679667 is an apocalyptic number.

196679667 is a deficient number, since it is larger than the sum of its proper divisors (65559893).

196679667 is an equidigital number, since it uses as much as digits as its factorization.

196679667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65559892.

The product of its digits is 5143824, while the sum is 57.

The square root of 196679667 is about 14024.2528143213. The cubic root of 196679667 is about 581.5492341080.

The spelling of 196679667 in words is "one hundred ninety-six million, six hundred seventy-nine thousand, six hundred sixty-seven".