163337545601 has 4 divisors (see below), whose sum is σ = 163339237332. Its totient is φ = 163335853872.

The previous prime is 163337545559. The next prime is 163337545603. The reversal of 163337545601 is 106545733361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106545733361 = 2347 ⋅45396563.

It can be written as a sum of positive squares in 2 ways, for example, as 79005966400 + 84331579201 = 281080^2 + 290399^2 .

It is a cyclic number.

It is not a de Polignac number, because 163337545601 - 2¹⁴ = 163337529217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163337545603) 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 3 ways as a sum of consecutive naturals, for example, 691670 + ... + 897263.

It is an arithmetic number, because the mean of its divisors is an integer number (40834809333).

Almost surely, 2^163337545601 is an apocalyptic number.

It is an amenable number.

163337545601 is a deficient number, since it is larger than the sum of its proper divisors (1691731).

163337545601 is a wasteful number, since it uses less digits than its factorization.

163337545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691730.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 163337545601 in words is "one hundred sixty-three billion, three hundred thirty-seven million, five hundred forty-five thousand, six hundred one".