195764151 has 32 divisors (see below), whose sum is σ = 296932608. Its totient is φ = 113667840.

The previous prime is 195764147. The next prime is 195764161. The reversal of 195764151 is 151467591.

It is not a de Polignac number, because 195764151 - 2² = 195764147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195764131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80611 + ... + 83003.

It is an arithmetic number, because the mean of its divisors is an integer number (9279144).

Almost surely, 2^195764151 is an apocalyptic number.

195764151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

195764151 is a deficient number, since it is larger than the sum of its proper divisors (101168457).

195764151 is a wasteful number, since it uses less digits than its factorization.

195764151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its digits is 37800, while the sum is 39.

The square root of 195764151 is about 13991.5742859765. The cubic root of 195764151 is about 580.6454872705.

The spelling of 195764151 in words is "one hundred ninety-five million, seven hundred sixty-four thousand, one hundred fifty-one".