163130100 has 72 divisors (see below), whose sum is σ = 539423808. Its totient is φ = 37286400.

The previous prime is 163130087. The next prime is 163130101. The reversal of 163130100 is 1031361.

It is a super-2 number, since 2×163130100² = 53222859052020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 163130100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163130101) 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, 36741 + ... + 40940.

Almost surely, 2^163130100 is an apocalyptic number.

163130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163130100 is an abundant number, since it is smaller than the sum of its proper divisors (376293708).

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

163130100 is a wasteful number, since it uses less digits than its factorization.

163130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77705 (or 77698 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 163130100 is about 12772.2394277589. The cubic root of 163130100 is about 546.4008515014.

Adding to 163130100 its reverse (1031361), we get a palindrome (164161461).

The spelling of 163130100 in words is "one hundred sixty-three million, one hundred thirty thousand, one hundred".