163552065 has 16 divisors (see below), whose sum is σ = 262481856. Its totient is φ = 86961600.

The previous prime is 163552061. The next prime is 163552069. The reversal of 163552065 is 560255361.

It is an interprime number because it is at equal distance from previous prime (163552061) and next prime (163552069).

It is not a de Polignac number, because 163552065 - 2² = 163552061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163552061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11506 + ... + 21435.

It is an arithmetic number, because the mean of its divisors is an integer number (16405116).

Almost surely, 2^163552065 is an apocalyptic number.

163552065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163552065 is a deficient number, since it is larger than the sum of its proper divisors (98929791).

163552065 is a wasteful number, since it uses less digits than its factorization.

163552065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33280.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 163552065 is about 12788.7475930992. The cubic root of 163552065 is about 546.8715668465.

The spelling of 163552065 in words is "one hundred sixty-three million, five hundred fifty-two thousand, sixty-five".