163710137 has 4 divisors (see below), whose sum is σ = 172326480. Its totient is φ = 155093796.

The previous prime is 163710121. The next prime is 163710257. The reversal of 163710137 is 731017361.

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, and also an emirpimes, since its reverse is a distinct semiprime: 731017361 = 761 ⋅960601.

It is a cyclic number.

It is not a de Polignac number, because 163710137 - 2⁴ = 163710121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163710737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4308143 + ... + 4308180.

It is an arithmetic number, because the mean of its divisors is an integer number (43081620).

Almost surely, 2^163710137 is an apocalyptic number.

It is an amenable number.

163710137 is a deficient number, since it is larger than the sum of its proper divisors (8616343).

163710137 is an equidigital number, since it uses as much as digits as its factorization.

163710137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616342.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 163710137 is about 12794.9262209674. The cubic root of 163710137 is about 547.0476927134.

Adding to 163710137 its reverse (731017361), we get a palindrome (894727498).

The spelling of 163710137 in words is "one hundred sixty-three million, seven hundred ten thousand, one hundred thirty-seven".