1603201630 has 8 divisors (see below), whose sum is σ = 2885762952. Its totient is φ = 641280648.

The previous prime is 1603201603. The next prime is 1603201657. The reversal of 1603201630 is 361023061.

It is an interprime number because it is at equal distance from previous prime (1603201603) and next prime (1603201657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80160072 + ... + 80160091.

It is an arithmetic number, because the mean of its divisors is an integer number (360720369).

Almost surely, 2^1603201630 is an apocalyptic number.

1603201630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1603201630 is a deficient number, since it is larger than the sum of its proper divisors (1282561322).

1603201630 is a wasteful number, since it uses less digits than its factorization.

1603201630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160320170.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1603201630 is about 40040.0003746254. Note that the first 3 decimals coincide. The cubic root of 1603201630 is about 1170.3867107504.

Adding to 1603201630 its reverse (361023061), we get a palindrome (1964224691).

The spelling of 1603201630 in words is "one billion, six hundred three million, two hundred one thousand, six hundred thirty".