163428622 has 12 divisors (see below), whose sum is σ = 285166440. Its totient is φ = 70040796.

The previous prime is 163428589. The next prime is 163428641. The reversal of 163428622 is 226824361.

163428622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833722 + ... + 833917.

It is an arithmetic number, because the mean of its divisors is an integer number (23763870).

Almost surely, 2^163428622 is an apocalyptic number.

163428622 is a deficient number, since it is larger than the sum of its proper divisors (121737818).

163428622 is a wasteful number, since it uses less digits than its factorization.

163428622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667655 (or 1667648 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 163428622 is about 12783.9204471868. The cubic root of 163428622 is about 546.7339461282.

It can be divided in two parts, 16342 and 8622, that added together give a square (24964 = 158²).

The spelling of 163428622 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, six hundred twenty-two".