163770126 has 48 divisors (see below), whose sum is σ = 356445936. Its totient is φ = 50139648.

The previous prime is 163770121. The next prime is 163770151. The reversal of 163770126 is 621077361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163770121) 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, 378006 + ... + 378438.

It is an arithmetic number, because the mean of its divisors is an integer number (7425957).

Almost surely, 2^163770126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163770126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178222968).

163770126 is an abundant number, since it is smaller than the sum of its proper divisors (192675810).

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

163770126 is a wasteful number, since it uses less digits than its factorization.

163770126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 163770126 is about 12797.2702558006. The cubic root of 163770126 is about 547.1145035558.

The spelling of 163770126 in words is "one hundred sixty-three million, seven hundred seventy thousand, one hundred twenty-six".