999953162 has 16 divisors (see below), whose sum is σ = 1621325160. Its totient is φ = 459797952.

The previous prime is 999953161. The next prime is 999953167. The reversal of 999953162 is 261359999.

It can be written as a sum of positive squares in 4 ways, for example, as 659513761 + 340439401 = 25681^2 + 18451^2 .

It is not an unprimeable number, because it can be changed into a prime (999953161) 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, 64493 + ... + 78480.

Almost surely, 2^999953162 is an apocalyptic number.

999953162 is a deficient number, since it is larger than the sum of its proper divisors (621371998).

999953162 is a wasteful number, since it uses less digits than its factorization.

999953162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143257.

The product of its digits is 1180980, while the sum is 53.

The square root of 999953162 is about 31622.0360192066. The cubic root of 999953162 is about 999.9843870896.

The spelling of 999953162 in words is "nine hundred ninety-nine million, nine hundred fifty-three thousand, one hundred sixty-two".