195157516854 has 8 divisors (see below), whose sum is σ = 390315033720. Its totient is φ = 65052505616.

The previous prime is 195157516849. The next prime is 195157516903. The reversal of 195157516854 is 458615751591.

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

195157516854 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 195157516794 and 195157516803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16263126399 + ... + 16263126410.

It is an arithmetic number, because the mean of its divisors is an integer number (48789379215).

Almost surely, 2^195157516854 is an apocalyptic number.

195157516854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195157516854 is a wasteful number, since it uses less digits than its factorization.

195157516854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32526252814.

The product of its digits is 7560000, while the sum is 57.

The spelling of 195157516854 in words is "one hundred ninety-five billion, one hundred fifty-seven million, five hundred sixteen thousand, eight hundred fifty-four".