6161660506 has 8 divisors (see below), whose sum is σ = 9786166740. Its totient is φ = 2899604928.

The previous prime is 6161660503. The next prime is 6161660507. The reversal of 6161660506 is 6050661616.

It can be written as a sum of positive squares in 2 ways, for example, as 5904539281 + 257121225 = 76841^2 + 16035^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6161660501) 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 3 ways as a sum of consecutive naturals, for example, 90612621 + ... + 90612688.

Almost surely, 2^6161660506 is an apocalyptic number.

6161660506 is a deficient number, since it is larger than the sum of its proper divisors (3624506234).

6161660506 is a wasteful number, since it uses less digits than its factorization.

6161660506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181225328.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6161660506 is about 78496.2451713456. The cubic root of 6161660506 is about 1833.2959906517.

The spelling of 6161660506 in words is "six billion, one hundred sixty-one million, six hundred sixty thousand, five hundred six".