163125377100 has 432 divisors, whose sum is σ = 620125309440. Its totient is φ = 35058355200.

The previous prime is 163125377099. The next prime is 163125377101. The reversal of 163125377100 is 1773521361.

163125377100 is a `hidden beast` number, since 1 + 6 + 3 + 12 + 537 + 7 + 100 = 666.

It is an interprime number because it is at equal distance from previous prime (163125377099) and next prime (163125377101).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (163125377101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8539560 + ... + 8558640.

Almost surely, 2^163125377100 is an apocalyptic number.

163125377100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163125377100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310062654720).

163125377100 is an abundant number, since it is smaller than the sum of its proper divisors (456999932340).

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

163125377100 is a wasteful number, since it uses less digits than its factorization.

163125377100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19190 (or 19180 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

Adding to 163125377100 its reverse (1773521361), we get a palindrome (164898898461).

It can be divided in two parts, 163125 and 377100, that added together give a square (540225 = 735²).

The spelling of 163125377100 in words is "one hundred sixty-three billion, one hundred twenty-five million, three hundred seventy-seven thousand, one hundred".