195540616 has 8 divisors (see below), whose sum is σ = 366638670. Its totient is φ = 97770304.

The previous prime is 195540601. The next prime is 195540617. The reversal of 195540616 is 616045591.

It can be written as a sum of positive squares in only one way, i.e., 117288900 + 78251716 = 10830^2 + 8846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×195540616² = 76472265011318912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (195540617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12221281 + ... + 12221296.

Almost surely, 2^195540616 is an apocalyptic number.

It is an amenable number.

195540616 is a deficient number, since it is larger than the sum of its proper divisors (171098054).

195540616 is a wasteful number, since it uses less digits than its factorization.

195540616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24442583 (or 24442579 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 195540616 is about 13983.5838038752. The cubic root of 195540616 is about 580.4243980635.

The spelling of 195540616 in words is "one hundred ninety-five million, five hundred forty thousand, six hundred sixteen".