163042733 has 32 divisors (see below), whose sum is σ = 205608960. Its totient is φ = 126074880.

The previous prime is 163042723. The next prime is 163042753. The reversal of 163042733 is 337240361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163042733 - 2¹² = 163038637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163042696 and 163042705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163042723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711863 + ... + 712091.

It is an arithmetic number, because the mean of its divisors is an integer number (6425280).

Almost surely, 2^163042733 is an apocalyptic number.

It is an amenable number.

163042733 is a deficient number, since it is larger than the sum of its proper divisors (42566227).

163042733 is a wasteful number, since it uses less digits than its factorization.

163042733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 163042733 is about 12768.8187785715. The cubic root of 163042733 is about 546.3032894371.

The spelling of 163042733 in words is "one hundred sixty-three million, forty-two thousand, seven hundred thirty-three".