161464338886 has 4 divisors (see below), whose sum is σ = 242196508332. Its totient is φ = 80732169442.

The previous prime is 161464338839. The next prime is 161464338899. The reversal of 161464338886 is 688833464161.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 161464338886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40366084720 + ... + 40366084723.

It is an arithmetic number, because the mean of its divisors is an integer number (60549127083).

Almost surely, 2^161464338886 is an apocalyptic number.

161464338886 is a deficient number, since it is larger than the sum of its proper divisors (80732169446).

161464338886 is an equidigital number, since it uses as much as digits as its factorization.

161464338886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80732169445.

The product of its digits is 15925248, while the sum is 58.

The spelling of 161464338886 in words is "one hundred sixty-one billion, four hundred sixty-four million, three hundred thirty-eight thousand, eight hundred eighty-six".