1671894053 has 8 divisors (see below), whose sum is σ = 1771030080. Its totient is φ = 1572845760.

The previous prime is 1671894041. The next prime is 1671894061. The reversal of 1671894053 is 3504981761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1671894053 - 2¹² = 1671889957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1671893995 and 1671894013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671894853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19568 + ... + 61046.

It is an arithmetic number, because the mean of its divisors is an integer number (221378760).

Almost surely, 2^1671894053 is an apocalyptic number.

It is an amenable number.

1671894053 is a deficient number, since it is larger than the sum of its proper divisors (99136027).

1671894053 is a wasteful number, since it uses less digits than its factorization.

1671894053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43867.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1671894053 is about 40888.8010707088. The cubic root of 1671894053 is about 1186.8693581916.

The spelling of 1671894053 in words is "one billion, six hundred seventy-one million, eight hundred ninety-four thousand, fifty-three".