161553363102633 has 8 divisors (see below), whose sum is σ = 215404556966368. Its totient is φ = 107702205653664.

The previous prime is 161553363102619. The next prime is 161553363102643. The reversal of 161553363102633 is 336201363355161.

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

It is not a de Polignac number, because 161553363102633 - 2¹⁴ = 161553363086249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161553363102643) 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, 3902685 + ... + 18393957.

It is an arithmetic number, because the mean of its divisors is an integer number (26925569620796).

Almost surely, 2^{161553363102633} is an apocalyptic number.

It is an amenable number.

161553363102633 is a deficient number, since it is larger than the sum of its proper divisors (53851193863735).

161553363102633 is a wasteful number, since it uses less digits than its factorization.

161553363102633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207383.

The product of its (nonzero) digits is 2624400, while the sum is 48.

The spelling of 161553363102633 in words is "one hundred sixty-one trillion, five hundred fifty-three billion, three hundred sixty-three million, one hundred two thousand, six hundred thirty-three".