196691007 has 4 divisors (see below), whose sum is σ = 262254680. Its totient is φ = 131127336.

The previous prime is 196690999. The next prime is 196691039. The reversal of 196691007 is 700196691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700196691 = 3 ⋅233398897.

It is not a de Polignac number, because 196691007 - 2³ = 196690999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196691057) 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, 32781832 + ... + 32781837.

It is an arithmetic number, because the mean of its divisors is an integer number (65563670).

Almost surely, 2^196691007 is an apocalyptic number.

196691007 is a deficient number, since it is larger than the sum of its proper divisors (65563673).

196691007 is an equidigital number, since it uses as much as digits as its factorization.

196691007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65563672.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 196691007 is about 14024.6571081078. The cubic root of 196691007 is about 581.5604107278.

The spelling of 196691007 in words is "one hundred ninety-six million, six hundred ninety-one thousand, seven".