195162654157 has 4 divisors (see below), whose sum is σ = 197514011520. Its totient is φ = 192811296796.

The previous prime is 195162654149. The next prime is 195162654199. The reversal of 195162654157 is 751456261591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195162654157 - 2³ = 195162654149 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 (195162654107) 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, 1175678557 + ... + 1175678722.

It is an arithmetic number, because the mean of its divisors is an integer number (49378502880).

Almost surely, 2^195162654157 is an apocalyptic number.

It is an amenable number.

195162654157 is a deficient number, since it is larger than the sum of its proper divisors (2351357363).

195162654157 is an equidigital number, since it uses as much as digits as its factorization.

195162654157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351357362.

The product of its digits is 2268000, while the sum is 52.

The spelling of 195162654157 in words is "one hundred ninety-five billion, one hundred sixty-two million, six hundred fifty-four thousand, one hundred fifty-seven".