161048628389 has 8 divisors (see below), whose sum is σ = 178569567840. Its totient is φ = 144007714800.

The previous prime is 161048628319. The next prime is 161048628397. The reversal of 161048628389 is 983826840161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161048628389 - 2²⁰ = 161047579813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161048628319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120005759 + ... + 120007100.

It is an arithmetic number, because the mean of its divisors is an integer number (22321195980).

Almost surely, 2^161048628389 is an apocalyptic number.

It is an amenable number.

161048628389 is a deficient number, since it is larger than the sum of its proper divisors (17520939451).

161048628389 is a wasteful number, since it uses less digits than its factorization.

161048628389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240012931.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 161048628389 in words is "one hundred sixty-one billion, forty-eight million, six hundred twenty-eight thousand, three hundred eighty-nine".