42162120361 has 16 divisors (see below), whose sum is σ = 43873878400. Its totient is φ = 40484344320.

The previous prime is 42162120349. The next prime is 42162120367. The reversal of 42162120361 is 16302126124.

42162120361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42162120361 - 2⁷ = 42162120233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42162120367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6798340 + ... + 6804538.

It is an arithmetic number, because the mean of its divisors is an integer number (2742117400).

Almost surely, 2^42162120361 is an apocalyptic number.

It is an amenable number.

42162120361 is a deficient number, since it is larger than the sum of its proper divisors (1711758039).

42162120361 is a wasteful number, since it uses less digits than its factorization.

42162120361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 42162120361 its reverse (16302126124), we get a palindrome (58464246485).

The spelling of 42162120361 in words is "forty-two billion, one hundred sixty-two million, one hundred twenty thousand, three hundred sixty-one".