161346880833 has 32 divisors (see below), whose sum is σ = 221557602816. Its totient is φ = 104367045888.

The previous prime is 161346880831. The next prime is 161346880861. The reversal of 161346880833 is 338088643161.

It is not a de Polignac number, because 161346880833 - 2¹ = 161346880831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161346880831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101923960 + ... + 101925542.

It is an arithmetic number, because the mean of its divisors is an integer number (6923675088).

Almost surely, 2^161346880833 is an apocalyptic number.

It is an amenable number.

161346880833 is a deficient number, since it is larger than the sum of its proper divisors (60210721983).

161346880833 is a wasteful number, since it uses less digits than its factorization.

161346880833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 161346880833 in words is "one hundred sixty-one billion, three hundred forty-six million, eight hundred eighty thousand, eight hundred thirty-three".