1672168 has 8 divisors (see below), whose sum is σ = 3135330. Its totient is φ = 836080.

The previous prime is 1672129. The next prime is 1672199. The reversal of 1672168 is 8612761.

It can be written as a sum of positive squares in only one way, i.e., 1592644 + 79524 = 1262^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1672168² = 5592291640448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104503 + ... + 104518.

2^1672168 is an apocalyptic number.

It is an amenable number.

1672168 is a deficient number, since it is larger than the sum of its proper divisors (1463162).

1672168 is a wasteful number, since it uses less digits than its factorization.

1672168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209027 (or 209023 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 1672168 is about 1293.1233506514. The cubic root of 1672168 is about 118.6934179194.

The spelling of 1672168 in words is "one million, six hundred seventy-two thousand, one hundred sixty-eight".