163301645 has 16 divisors (see below), whose sum is σ = 217846272. Its totient is φ = 116700480.

The previous prime is 163301629. The next prime is 163301651. The reversal of 163301645 is 546103361.

It is a happy number.

It is not a de Polignac number, because 163301645 - 2⁴ = 163301629 is a prime.

It is a super-3 number, since 3×163301645³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38507 + ... + 42536.

It is an arithmetic number, because the mean of its divisors is an integer number (13615392).

Almost surely, 2^163301645 is an apocalyptic number.

It is an amenable number.

163301645 is a deficient number, since it is larger than the sum of its proper divisors (54544627).

163301645 is a wasteful number, since it uses less digits than its factorization.

163301645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81092.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 163301645 is about 12778.9532043904. The cubic root of 163301645 is about 546.5923131987.

The spelling of 163301645 in words is "one hundred sixty-three million, three hundred one thousand, six hundred forty-five".