163601251211100 has 72 divisors (see below), whose sum is σ = 481375884971520. Its totient is φ = 42887559634880.

The previous prime is 163601251211071. The next prime is 163601251211129. The reversal of 163601251211100 is 1112152106361.

It is an interprime number because it is at equal distance from previous prime (163601251211071) and next prime (163601251211129).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621486572 + ... + 4621521971.

It is an arithmetic number, because the mean of its divisors is an integer number (6685776180160).

Almost surely, 2^{163601251211100} is an apocalyptic number.

163601251211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163601251211100 is an abundant number, since it is smaller than the sum of its proper divisors (317774633760420).

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

163601251211100 is a wasteful number, since it uses less digits than its factorization.

163601251211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243008619 (or 9243008612 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 163601251211100 in words is "one hundred sixty-three trillion, six hundred one billion, two hundred fifty-one million, two hundred eleven thousand, one hundred".