6142265521661 has 8 divisors (see below), whose sum is σ = 6470678138400. Its totient is φ = 5814366453360.

The previous prime is 6142265521631. The next prime is 6142265521669. The reversal of 6142265521661 is 1661255622416.

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 6142265521661 - 2²² = 6142261327357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142265521669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128362550 + ... + 128410391.

It is an arithmetic number, because the mean of its divisors is an integer number (808834767300).

Almost surely, 2^{6142265521661} is an apocalyptic number.

It is an amenable number.

6142265521661 is a deficient number, since it is larger than the sum of its proper divisors (328412616739).

6142265521661 is a wasteful number, since it uses less digits than its factorization.

6142265521661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256774219.

The product of its digits is 1036800, while the sum is 47.

The spelling of 6142265521661 in words is "six trillion, one hundred forty-two billion, two hundred sixty-five million, five hundred twenty-one thousand, six hundred sixty-one".