161630224354433 has 8 divisors (see below), whose sum is σ = 162760935970752. Its totient is φ = 160500794000976.

The previous prime is 161630224354393. The next prime is 161630224354453. The reversal of 161630224354433 is 334453422036161.

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 161630224354433 - 2¹⁸ = 161630224092289 is a prime.

It is a super-2 number, since 2×161630224354433² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161630224354453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320062535 + ... + 320567132.

It is an arithmetic number, because the mean of its divisors is an integer number (20345116996344).

Almost surely, 2^{161630224354433} is an apocalyptic number.

It is an amenable number.

161630224354433 is a deficient number, since it is larger than the sum of its proper divisors (1130711616319).

161630224354433 is a wasteful number, since it uses less digits than its factorization.

161630224354433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640631431.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 161630224354433 in words is "one hundred sixty-one trillion, six hundred thirty billion, two hundred twenty-four million, three hundred fifty-four thousand, four hundred thirty-three".