1630161300 has 72 divisors (see below), whose sum is σ = 4721697792. Its totient is φ = 434240000.

The previous prime is 1630161293. The next prime is 1630161307. The reversal of 1630161300 is 31610361.

It is an interprime number because it is at equal distance from previous prime (1630161293) and next prime (1630161307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630161307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342940 + ... + 347660.

It is an arithmetic number, because the mean of its divisors is an integer number (65579136).

Almost surely, 2^1630161300 is an apocalyptic number.

1630161300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630161300 is an abundant number, since it is smaller than the sum of its proper divisors (3091536492).

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

1630161300 is a wasteful number, since it uses less digits than its factorization.

1630161300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5882 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1630161300 is about 40375.2560363399. The cubic root of 1630161300 is about 1176.9107405457.

Adding to 1630161300 its reverse (31610361), we get a palindrome (1661771661).

The spelling of 1630161300 in words is "one billion, six hundred thirty million, one hundred sixty-one thousand, three hundred".