163140741 has 24 divisors (see below), whose sum is σ = 238592640. Its totient is φ = 107411616.

The previous prime is 163140739. The next prime is 163140751. The reversal of 163140741 is 147041361.

It is a happy number.

It is not a de Polignac number, because 163140741 - 2¹ = 163140739 is a prime.

It is a super-2 number, since 2×163140741² = 53229802748058162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163140751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371400 + ... + 371838.

It is an arithmetic number, because the mean of its divisors is an integer number (9941360).

Almost surely, 2^163140741 is an apocalyptic number.

It is an amenable number.

163140741 is a deficient number, since it is larger than the sum of its proper divisors (75451899).

163140741 is a wasteful number, since it uses less digits than its factorization.

163140741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 163140741 is about 12772.6559884779. The cubic root of 163140741 is about 546.4127318453.

The spelling of 163140741 in words is "one hundred sixty-three million, one hundred forty thousand, seven hundred forty-one".