163151741 has 4 divisors (see below), whose sum is σ = 163925184. Its totient is φ = 162378300.

The previous prime is 163151717. The next prime is 163151743. The reversal of 163151741 is 147151361.

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 a de Polignac number, because none of the positive numbers 2^k-163151741 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 (163151743) 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, 386405 + ... + 386826.

It is an arithmetic number, because the mean of its divisors is an integer number (40981296).

Almost surely, 2^163151741 is an apocalyptic number.

It is an amenable number.

163151741 is a deficient number, since it is larger than the sum of its proper divisors (773443).

163151741 is an equidigital number, since it uses as much as digits as its factorization.

163151741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773442.

The product of its digits is 2520, while the sum is 29.

The square root of 163151741 is about 12773.0865886050. The cubic root of 163151741 is about 546.4250124584.

The spelling of 163151741 in words is "one hundred sixty-three million, one hundred fifty-one thousand, seven hundred forty-one".