195923651 has 8 divisors (see below), whose sum is σ = 244268544. Its totient is φ = 152667720.

The previous prime is 195923639. The next prime is 195923677. The reversal of 195923651 is 156329591.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 195923651 - 2⁶ = 195923587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195923599 and 195923608.

It is not an unprimeable number, because it can be changed into a prime (195923551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272155 + ... + 1272308.

It is an arithmetic number, because the mean of its divisors is an integer number (30533568).

Almost surely, 2^195923651 is an apocalyptic number.

195923651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

195923651 is a deficient number, since it is larger than the sum of its proper divisors (48344893).

195923651 is a wasteful number, since it uses less digits than its factorization.

195923651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544481.

The product of its digits is 72900, while the sum is 41.

The square root of 195923651 is about 13997.2729844066. The cubic root of 195923651 is about 580.8031392441.

The spelling of 195923651 in words is "one hundred ninety-five million, nine hundred twenty-three thousand, six hundred fifty-one".