163354442 has 16 divisors (see below), whose sum is σ = 249165600. Its totient is φ = 80304048.

The previous prime is 163354423. The next prime is 163354447. The reversal of 163354442 is 244453361.

It is a super-2 number, since 2×163354442² = 53369347442262728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163354399 and 163354408.

It is not an unprimeable number, because it can be changed into a prime (163354447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104684 + ... + 106232.

It is an arithmetic number, because the mean of its divisors is an integer number (15572850).

Almost surely, 2^163354442 is an apocalyptic number.

163354442 is a deficient number, since it is larger than the sum of its proper divisors (85811158).

163354442 is a wasteful number, since it uses less digits than its factorization.

163354442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its digits is 34560, while the sum is 32.

The square root of 163354442 is about 12781.0188169801. The cubic root of 163354442 is about 546.6512130439.

The spelling of 163354442 in words is "one hundred sixty-three million, three hundred fifty-four thousand, four hundred forty-two".