667162322 has 4 divisors (see below), whose sum is σ = 1000743486. Its totient is φ = 333581160.

The previous prime is 667162303. The next prime is 667162337. The reversal of 667162322 is 223261766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 455779801 + 211382521 = 21349^2 + 14539^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166790579 + ... + 166790582.

Almost surely, 2^667162322 is an apocalyptic number.

667162322 is a deficient number, since it is larger than the sum of its proper divisors (333581164).

667162322 is a wasteful number, since it uses less digits than its factorization.

667162322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333581163.

The product of its digits is 36288, while the sum is 35.

The square root of 667162322 is about 25829.4855155886. The cubic root of 667162322 is about 873.7969085126.

The spelling of 667162322 in words is "six hundred sixty-seven million, one hundred sixty-two thousand, three hundred twenty-two".