163930995 has 12 divisors (see below), whose sum is σ = 284147136. Its totient is φ = 87429840.

The previous prime is 163930957. The next prime is 163931003. The reversal of 163930995 is 599039361.

163930995 is a `hidden beast` number, since 1 + 639 + 3 + 0 + 9 + 9 + 5 = 666.

It is not a de Polignac number, because 163930995 - 2¹⁰ = 163929971 is a prime.

It is a super-2 number, since 2×163930995² = 53746742243380050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3642911 = 163930995 / (1 + 6 + 3 + 9 + 3 + 0 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 163930995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821411 + ... + 1821500.

It is an arithmetic number, because the mean of its divisors is an integer number (23678928).

Almost surely, 2^163930995 is an apocalyptic number.

163930995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163930995 is a deficient number, since it is larger than the sum of its proper divisors (120216141).

163930995 is a wasteful number, since it uses less digits than its factorization.

163930995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642922 (or 3642919 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 163930995 is about 12803.5539987927. The cubic root of 163930995 is about 547.2935857908.

It can be divided in two parts, 1639 and 30995, that multiplied together give a palindrome (50800805).

The spelling of 163930995 in words is "one hundred sixty-three million, nine hundred thirty thousand, nine hundred ninety-five".