161588063 has 16 divisors (see below), whose sum is σ = 199757376. Its totient is φ = 127284480.

The previous prime is 161588057. The next prime is 161588081. The reversal of 161588063 is 360885161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 161588063 - 2¹⁴ = 161571679 is a prime.

It is a super-3 number, since 3×161588063³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161588003) 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, 17393 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (12484836).

Almost surely, 2^161588063 is an apocalyptic number.

161588063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

161588063 is a deficient number, since it is larger than the sum of its proper divisors (38169313).

161588063 is a wasteful number, since it uses less digits than its factorization.

161588063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 161588063 is about 12711.7293473390. The cubic root of 161588063 is about 544.6737244110.

The spelling of 161588063 in words is "one hundred sixty-one million, five hundred eighty-eight thousand, sixty-three".