163861364 has 24 divisors (see below), whose sum is σ = 297252480. Its totient is φ = 78984576.

The previous prime is 163861363. The next prime is 163861391. The reversal of 163861364 is 463168361.

It is a happy number.

It is a super-2 number, since 2×163861364² = 53701093223880992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163861363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6092 + ... + 19100.

It is an arithmetic number, because the mean of its divisors is an integer number (12385520).

Almost surely, 2^163861364 is an apocalyptic number.

It is an amenable number.

163861364 is a deficient number, since it is larger than the sum of its proper divisors (133391116).

163861364 is a wasteful number, since it uses less digits than its factorization.

163861364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127 (or 13125 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 163861364 is about 12800.8345040470. The cubic root of 163861364 is about 547.2160857089.

The spelling of 163861364 in words is "one hundred sixty-three million, eight hundred sixty-one thousand, three hundred sixty-four".