163106190 has 128 divisors (see below), whose sum is σ = 483840000. Its totient is φ = 38828160.

The previous prime is 163106173. The next prime is 163106191. The reversal of 163106190 is 91601361.

163106190 is a `hidden beast` number, since 16 + 31 + 0 + 619 + 0 = 666.

It is a super-2 number, since 2×163106190² = 53207258432632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163106191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108061 + ... + 109559.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^163106190 is an apocalyptic number.

163106190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163106190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920000).

163106190 is an abundant number, since it is smaller than the sum of its proper divisors (320733810).

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

163106190 is a wasteful number, since it uses less digits than its factorization.

163106190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 163106190 is about 12771.3033790604. The cubic root of 163106190 is about 546.3741548491.

It can be divided in two parts, 16310 and 6190, that added together give a square (22500 = 150²).

The spelling of 163106190 in words is "one hundred sixty-three million, one hundred six thousand, one hundred ninety".