195091616 has 24 divisors (see below), whose sum is σ = 384439104. Its totient is φ = 97456320.

The previous prime is 195091607. The next prime is 195091657. The reversal of 195091616 is 616190591.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 195091616.

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, 45401 + ... + 49511.

It is an arithmetic number, because the mean of its divisors is an integer number (16018296).

Almost surely, 2^195091616 is an apocalyptic number.

195091616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195091616 is a deficient number, since it is larger than the sum of its proper divisors (189347488).

195091616 is a wasteful number, since it uses less digits than its factorization.

195091616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 195091616 is about 13967.5200375729. The cubic root of 195091616 is about 579.9798011198.

The spelling of 195091616 in words is "one hundred ninety-five million, ninety-one thousand, six hundred sixteen".