195679616 has 32 divisors (see below), whose sum is σ = 425272680. Its totient is φ = 88944640.

The previous prime is 195679591. The next prime is 195679637. The reversal of 195679616 is 616976591.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68081 + ... + 70896.

Almost surely, 2^195679616 is an apocalyptic number.

195679616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195679616 is an abundant number, since it is smaller than the sum of its proper divisors (229593064).

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

195679616 is a wasteful number, since it uses less digits than its factorization.

195679616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139002 (or 138990 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 195679616 is about 13988.5530345351. The cubic root of 195679616 is about 580.5618970030.

The spelling of 195679616 in words is "one hundred ninety-five million, six hundred seventy-nine thousand, six hundred sixteen".