6142505665 has 8 divisors (see below), whose sum is σ = 7439895360. Its totient is φ = 4868078832.

The previous prime is 6142505659. The next prime is 6142505669. The reversal of 6142505665 is 5665052416.

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

It is a cyclic number.

It is not a de Polignac number, because 6142505665 - 2¹¹ = 6142503617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6142505669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5740125 + ... + 5741194.

It is an arithmetic number, because the mean of its divisors is an integer number (929986920).

Almost surely, 2^6142505665 is an apocalyptic number.

It is an amenable number.

6142505665 is a deficient number, since it is larger than the sum of its proper divisors (1297389695).

6142505665 is a wasteful number, since it uses less digits than its factorization.

6142505665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481431.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 6142505665 is about 78374.1390064350. The cubic root of 6142505665 is about 1831.3942876289.

The spelling of 6142505665 in words is "six billion, one hundred forty-two million, five hundred five thousand, six hundred sixty-five".