668162962 has 8 divisors (see below), whose sum is σ = 1002821436. Its totient is φ = 333889152.

The previous prime is 668162953. The next prime is 668162969. The reversal of 668162962 is 269261866.

It can be written as a sum of positive squares in 2 ways, for example, as 514427761 + 153735201 = 22681^2 + 12399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×668162962² = 892883487577226888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (668162969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91783 + ... + 98794.

Almost surely, 2^668162962 is an apocalyptic number.

668162962 is a deficient number, since it is larger than the sum of its proper divisors (334658474).

668162962 is a wasteful number, since it uses less digits than its factorization.

668162962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192332.

The product of its digits is 373248, while the sum is 46.

The square root of 668162962 is about 25848.8483689313. The cubic root of 668162962 is about 874.2335435667.

It can be divided in two parts, 668162 and 962, that added together give a square (669124 = 818²).

The spelling of 668162962 in words is "six hundred sixty-eight million, one hundred sixty-two thousand, nine hundred sixty-two".