42886011661 has 8 divisors (see below), whose sum is σ = 44288038400. Its totient is φ = 41485147920.

The previous prime is 42886011647. The next prime is 42886011683. The reversal of 42886011661 is 16611068824.

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 42886011661 - 2¹³ = 42886003469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42886011361) 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 7 ways as a sum of consecutive naturals, for example, 215481 + ... + 363598.

It is an arithmetic number, because the mean of its divisors is an integer number (5536004800).

Almost surely, 2^42886011661 is an apocalyptic number.

It is an amenable number.

42886011661 is a deficient number, since it is larger than the sum of its proper divisors (1402026739).

42886011661 is a wasteful number, since it uses less digits than its factorization.

42886011661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581499.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 42886011661 in words is "forty-two billion, eight hundred eighty-six million, eleven thousand, six hundred sixty-one".