1673671051 has 6 divisors (see below), whose sum is σ = 1812318540. Its totient is φ = 1544926968.

The previous prime is 1673671037. The next prime is 1673671057. The reversal of 1673671051 is 1501763761.

It is not a de Polignac number, because 1673671051 - 2¹⁷ = 1673539979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1673671051.

It is not an unprimeable number, because it can be changed into a prime (1673671057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4951521 + ... + 4951858.

It is an arithmetic number, because the mean of its divisors is an integer number (302053090).

Almost surely, 2^1673671051 is an apocalyptic number.

1673671051 is a deficient number, since it is larger than the sum of its proper divisors (138647489).

1673671051 is an equidigital number, since it uses as much as digits as its factorization.

1673671051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903405 (or 9903392 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1673671051 is about 40910.5249416333. The cubic root of 1673671051 is about 1187.2897033476.

The spelling of 1673671051 in words is "one billion, six hundred seventy-three million, six hundred seventy-one thousand, fifty-one".