1630203141 has 16 divisors (see below), whose sum is σ = 2502255744. Its totient is φ = 924743424.

The previous prime is 1630203119. The next prime is 1630203149. The reversal of 1630203141 is 1413020361.

It is not a de Polignac number, because 1630203141 - 2⁵ = 1630203109 is a prime.

It is a super-3 number, since 3×1630203141³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630203149) 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, 280440 + ... + 286193.

It is an arithmetic number, because the mean of its divisors is an integer number (156390984).

Almost surely, 2^1630203141 is an apocalyptic number.

It is an amenable number.

1630203141 is a deficient number, since it is larger than the sum of its proper divisors (872052603).

1630203141 is a wasteful number, since it uses less digits than its factorization.

1630203141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566780.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1630203141 is about 40375.7741845280. The cubic root of 1630203141 is about 1176.9208096313.

The spelling of 1630203141 in words is "one billion, six hundred thirty million, two hundred three thousand, one hundred forty-one".