161151153 has 4 divisors (see below), whose sum is σ = 214868208. Its totient is φ = 107434100.

The previous prime is 161151149. The next prime is 161151163. The reversal of 161151153 is 351151161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161151153 - 2² = 161151149 is a prime.

It is a super-2 number, since 2×161151153² = 51939388226458818, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161151163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26858523 + ... + 26858528.

It is an arithmetic number, because the mean of its divisors is an integer number (53717052).

Almost surely, 2^161151153 is an apocalyptic number.

It is an amenable number.

161151153 is a deficient number, since it is larger than the sum of its proper divisors (53717055).

161151153 is an equidigital number, since it uses as much as digits as its factorization.

161151153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53717054.

The product of its digits is 450, while the sum is 24.

The square root of 161151153 is about 12694.5324057249. The cubic root of 161151153 is about 544.1823758201.

The spelling of 161151153 in words is "one hundred sixty-one million, one hundred fifty-one thousand, one hundred fifty-three".