163790430 has 16 divisors (see below), whose sum is σ = 393097104. Its totient is φ = 43677440.

The previous prime is 163790401. The next prime is 163790437. The reversal of 163790430 is 34097361.

It is a junction number, because it is equal to n+sod(n) for n = 163790391 and 163790400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163790437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729811 + ... + 2729870.

It is an arithmetic number, because the mean of its divisors is an integer number (24568569).

Almost surely, 2^163790430 is an apocalyptic number.

163790430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163790430 is an abundant number, since it is smaller than the sum of its proper divisors (229306674).

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

163790430 is a wasteful number, since it uses less digits than its factorization.

163790430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459691.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 163790430 is about 12798.0635253932. The cubic root of 163790430 is about 547.1371127949.

The spelling of 163790430 in words is "one hundred sixty-three million, seven hundred ninety thousand, four hundred thirty".