161050421433 has 16 divisors (see below), whose sum is σ = 236887243200. Its totient is φ = 96509614080.

The previous prime is 161050421393. The next prime is 161050421453. The reversal of 161050421433 is 334124050161.

It is not a de Polignac number, because 161050421433 - 2¹⁰ = 161050420409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161050421433.

It is not an unprimeable number, because it can be changed into a prime (161050421453) 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, 27414568 + ... + 27420441.

It is an arithmetic number, because the mean of its divisors is an integer number (14805452700).

Almost surely, 2^161050421433 is an apocalyptic number.

It is an amenable number.

161050421433 is a deficient number, since it is larger than the sum of its proper divisors (75836821767).

161050421433 is a wasteful number, since it uses less digits than its factorization.

161050421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54835112.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 161050421433 its reverse (334124050161), we get a palindrome (495174471594).

The spelling of 161050421433 in words is "one hundred sixty-one billion, fifty million, four hundred twenty-one thousand, four hundred thirty-three".