163742416 has 20 divisors (see below), whose sum is σ = 320164900. Its totient is φ = 81119232.

The previous prime is 163742393. The next prime is 163742443. The reversal of 163742416 is 614247361.

It can be written as a sum of positive squares in 2 ways, for example, as 42302016 + 121440400 = 6504^2 + 11020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45201 + ... + 48688.

It is an arithmetic number, because the mean of its divisors is an integer number (16008245).

Almost surely, 2^163742416 is an apocalyptic number.

163742416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163742416 is a deficient number, since it is larger than the sum of its proper divisors (156422484).

163742416 is a wasteful number, since it uses less digits than its factorization.

163742416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94006 (or 94000 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 163742416 is about 12796.1875572375. The cubic root of 163742416 is about 547.0836444518.

Adding to 163742416 its reverse (614247361), we get a palindrome (777989777).

The spelling of 163742416 in words is "one hundred sixty-three million, seven hundred forty-two thousand, four hundred sixteen".