1675674166 has 4 divisors (see below), whose sum is σ = 2513511252. Its totient is φ = 837837082.

The previous prime is 1675674157. The next prime is 1675674191. The reversal of 1675674166 is 6614765761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6614765761 = 37 ⋅178777453.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418918540 + ... + 418918543.

It is an arithmetic number, because the mean of its divisors is an integer number (628377813).

Almost surely, 2^1675674166 is an apocalyptic number.

1675674166 is a deficient number, since it is larger than the sum of its proper divisors (837837086).

1675674166 is an equidigital number, since it uses as much as digits as its factorization.

1675674166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837837085.

The product of its digits is 1270080, while the sum is 49.

The square root of 1675674166 is about 40934.9992793453. Note that the first 3 decimals coincide. The cubic root of 1675674166 is about 1187.7631794304.

The spelling of 1675674166 in words is "one billion, six hundred seventy-five million, six hundred seventy-four thousand, one hundred sixty-six".