163630343434 has 16 divisors (see below), whose sum is σ = 256315538880. Its totient is φ = 78197343840.

The previous prime is 163630343431. The next prime is 163630343447. The reversal of 163630343434 is 434343036361.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (163630343431) 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, 1318299 + ... + 1437070.

It is an arithmetic number, because the mean of its divisors is an integer number (16019721180).

Almost surely, 2^163630343434 is an apocalyptic number.

163630343434 is a deficient number, since it is larger than the sum of its proper divisors (92685195446).

163630343434 is a wasteful number, since it uses less digits than its factorization.

163630343434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756685.

The product of its (nonzero) digits is 559872, while the sum is 40.

Adding to 163630343434 its reverse (434343036361), we get a palindrome (597973379795).

The spelling of 163630343434 in words is "one hundred sixty-three billion, six hundred thirty million, three hundred forty-three thousand, four hundred thirty-four".