195682651 has 4 divisors (see below), whose sum is σ = 195710904. Its totient is φ = 195654400.

The previous prime is 195682639. The next prime is 195682657. The reversal of 195682651 is 156286591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 195682651 - 2¹³ = 195674459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195682598 and 195682607.

It is not an unprimeable number, because it can be changed into a prime (195682657) 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, 4116 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (48927726).

Almost surely, 2^195682651 is an apocalyptic number.

195682651 is a deficient number, since it is larger than the sum of its proper divisors (28253).

195682651 is a wasteful number, since it uses less digits than its factorization.

195682651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252.

The product of its digits is 129600, while the sum is 43.

The square root of 195682651 is about 13988.6615156705. The cubic root of 195682651 is about 580.5648985016.

The spelling of 195682651 in words is "one hundred ninety-five million, six hundred eighty-two thousand, six hundred fifty-one".