196937665 has 8 divisors (see below), whose sum is σ = 240784488. Its totient is φ = 154577280.

The previous prime is 196937651. The next prime is 196937681. The reversal of 196937665 is 566739691.

It can be written as a sum of positive squares in 4 ways, for example, as 685584 + 196252081 = 828^2 + 14009^2 .

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

It is not a de Polignac number, because 196937665 - 2⁵ = 196937633 is a prime.

It is a Duffinian number.

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, 371316 + ... + 371845.

It is an arithmetic number, because the mean of its divisors is an integer number (30098061).

Almost surely, 2^196937665 is an apocalyptic number.

It is an amenable number.

196937665 is a deficient number, since it is larger than the sum of its proper divisors (43846823).

196937665 is an equidigital number, since it uses as much as digits as its factorization.

196937665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743219.

The product of its digits is 1837080, while the sum is 52.

The square root of 196937665 is about 14033.4480794992. The cubic root of 196937665 is about 581.8034088009.

The spelling of 196937665 in words is "one hundred ninety-six million, nine hundred thirty-seven thousand, six hundred sixty-five".