42322016661 has 8 divisors (see below), whose sum is σ = 56555035200. Its totient is φ = 28151837952.

The previous prime is 42322016657. The next prime is 42322016771. The reversal of 42322016661 is 16661022324.

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

It is not a de Polignac number, because 42322016661 - 2² = 42322016657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322016641) 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, 15708385 + ... + 15711078.

It is an arithmetic number, because the mean of its divisors is an integer number (7069379400).

Almost surely, 2^42322016661 is an apocalyptic number.

It is an amenable number.

42322016661 is a deficient number, since it is larger than the sum of its proper divisors (14233018539).

42322016661 is a wasteful number, since it uses less digits than its factorization.

42322016661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31419915.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 42322016661 its reverse (16661022324), we get a palindrome (58983038985).

The spelling of 42322016661 in words is "forty-two billion, three hundred twenty-two million, sixteen thousand, six hundred sixty-one".