16201630 has 16 divisors (see below), whose sum is σ = 29229984. Its totient is φ = 6465760.

The previous prime is 16201621. The next prime is 16201657. The reversal of 16201630 is 3610261.

It is a junction number, because it is equal to n+sod(n) for n = 16201598 and 16201607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (1826874).

Almost surely, 2^16201630 is an apocalyptic number.

16201630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16201630 is a deficient number, since it is larger than the sum of its proper divisors (13028354).

16201630 is a wasteful number, since it uses less digits than its factorization.

16201630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 16201630 is about 4025.1248427844. The cubic root of 16201630 is about 253.0382856963.

Adding to 16201630 its reverse (3610261), we get a palindrome (19811891).

The spelling of 16201630 in words is "sixteen million, two hundred one thousand, six hundred thirty".