195061828651 has 4 divisors (see below), whose sum is σ = 198367961400. Its totient is φ = 191755695904.

The previous prime is 195061828613. The next prime is 195061828667. The reversal of 195061828651 is 156828160591.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 195061828651 - 2⁷ = 195061828523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195061828151) 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, 1653066286 + ... + 1653066403.

It is an arithmetic number, because the mean of its divisors is an integer number (49591990350).

Almost surely, 2^195061828651 is an apocalyptic number.

195061828651 is a deficient number, since it is larger than the sum of its proper divisors (3306132749).

195061828651 is an equidigital number, since it uses as much as digits as its factorization.

195061828651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306132748.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The spelling of 195061828651 in words is "one hundred ninety-five billion, sixty-one million, eight hundred twenty-eight thousand, six hundred fifty-one".