163742937 has 16 divisors (see below), whose sum is σ = 220321920. Its totient is φ = 108168192.

The previous prime is 163742923. The next prime is 163742947. The reversal of 163742937 is 739247361.

It is not a de Polignac number, because 163742937 - 2⁴ = 163742921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163742947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224868 + ... + 225594.

It is an arithmetic number, because the mean of its divisors is an integer number (13770120).

Almost surely, 2^163742937 is an apocalyptic number.

It is an amenable number.

163742937 is a deficient number, since it is larger than the sum of its proper divisors (56578983).

163742937 is a wasteful number, since it uses less digits than its factorization.

163742937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 190512, while the sum is 42.

The square root of 163742937 is about 12796.2079148473. The cubic root of 163742937 is about 547.0842246930.

The spelling of 163742937 in words is "one hundred sixty-three million, seven hundred forty-two thousand, nine hundred thirty-seven".