163450633345 has 16 divisors (see below), whose sum is σ = 201862517760. Its totient is φ = 126960761664.

The previous prime is 163450633327. The next prime is 163450633399. The reversal of 163450633345 is 543336054361.

It is a cyclic number.

It is not a de Polignac number, because 163450633345 - 2²¹ = 163448536193 is a prime.

It is a super-2 number, since 2×163450633345² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 833637 + ... + 1010866.

It is an arithmetic number, because the mean of its divisors is an integer number (12616407360).

Almost surely, 2^163450633345 is an apocalyptic number.

It is an amenable number.

163450633345 is a deficient number, since it is larger than the sum of its proper divisors (38411884415).

163450633345 is a wasteful number, since it uses less digits than its factorization.

163450633345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845024.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 163450633345 in words is "one hundred sixty-three billion, four hundred fifty million, six hundred thirty-three thousand, three hundred forty-five".