50706400161 has 4 divisors (see below), whose sum is σ = 67608533552. Its totient is φ = 33804266772.

The previous prime is 50706400099. The next prime is 50706400163. The reversal of 50706400161 is 16100460705.

50706400161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50706400161 - 2¹³ = 50706391969 is a prime.

It is a super-2 number, since 2×50706400161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50706400163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8451066691 + ... + 8451066696.

It is an arithmetic number, because the mean of its divisors is an integer number (16902133388).

Almost surely, 2^50706400161 is an apocalyptic number.

It is an amenable number.

50706400161 is a deficient number, since it is larger than the sum of its proper divisors (16902133391).

50706400161 is a wasteful number, since it uses less digits than its factorization.

50706400161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902133390.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 50706400161 its reverse (16100460705), we get a palindrome (66806860866).

The spelling of 50706400161 in words is "fifty billion, seven hundred six million, four hundred thousand, one hundred sixty-one".