1676673145 has 32 divisors (see below), whose sum is σ = 2460199680. Its totient is φ = 1071325440.

The previous prime is 1676673143. The next prime is 1676673149. The reversal of 1676673145 is 5413766761.

It is not a de Polignac number, because 1676673145 - 2¹ = 1676673143 is a prime.

It is a super-2 number, since 2×1676673145² = 5622465670328382050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1676673095 and 1676673104.

It is not an unprimeable number, because it can be changed into a prime (1676673143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19899 + ... + 61231.

It is an arithmetic number, because the mean of its divisors is an integer number (76881240).

Almost surely, 2^1676673145 is an apocalyptic number.

It is an amenable number.

1676673145 is a deficient number, since it is larger than the sum of its proper divisors (783526535).

1676673145 is a wasteful number, since it uses less digits than its factorization.

1676673145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41425.

The product of its digits is 635040, while the sum is 46.

The square root of 1676673145 is about 40947.1994768873. The cubic root of 1676673145 is about 1187.9991669873. Note that the first 3 decimals are identical.

The spelling of 1676673145 in words is "one billion, six hundred seventy-six million, six hundred seventy-three thousand, one hundred forty-five".