163742460 has 96 divisors (see below), whose sum is σ = 526901760. Its totient is φ = 37218048.

The previous prime is 163742459. The next prime is 163742461. The reversal of 163742460 is 64247361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163742459) and next prime (163742461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163742461) 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 31 ways as a sum of consecutive naturals, for example, 81751 + ... + 83729.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^163742460 is an apocalyptic number.

163742460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163742460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263450880).

163742460 is an abundant number, since it is smaller than the sum of its proper divisors (363159300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163742460 is a wasteful number, since it uses less digits than its factorization.

163742460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 163742460 is about 12796.1892764995. The cubic root of 163742460 is about 547.0836934549.

The spelling of 163742460 in words is "one hundred sixty-three million, seven hundred forty-two thousand, four hundred sixty".