161610063 has 8 divisors (see below), whose sum is σ = 218208000. Its totient is φ = 106376088.

The previous prime is 161610061. The next prime is 161610073. The reversal of 161610063 is 360016161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161610063 - 2¹ = 161610061 is a prime.

It is a super-2 number, since 2×161610063² = 52235624925727938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161610061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340713 + ... + 341186.

It is an arithmetic number, because the mean of its divisors is an integer number (27276000).

Almost surely, 2^161610063 is an apocalyptic number.

161610063 is a deficient number, since it is larger than the sum of its proper divisors (56597937).

161610063 is an equidigital number, since it uses as much as digits as its factorization.

161610063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681981.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 161610063 is about 12712.5946604145. The cubic root of 161610063 is about 544.6984421572.

The spelling of 161610063 in words is "one hundred sixty-one million, six hundred ten thousand, sixty-three".