161153063 has 4 divisors (see below), whose sum is σ = 161631600. Its totient is φ = 160674528.

The previous prime is 161153059. The next prime is 161153071. The reversal of 161153063 is 360351161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161153063 - 2² = 161153059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161153053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238763 + ... + 239436.

It is an arithmetic number, because the mean of its divisors is an integer number (40407900).

Almost surely, 2^161153063 is an apocalyptic number.

161153063 is a deficient number, since it is larger than the sum of its proper divisors (478537).

161153063 is an equidigital number, since it uses as much as digits as its factorization.

161153063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478536.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 161153063 is about 12694.6076347400. The cubic root of 161153063 is about 544.1845257359.

The spelling of 161153063 in words is "one hundred sixty-one million, one hundred fifty-three thousand, sixty-three".