1671485021441 has 8 divisors (see below), whose sum is σ = 1680198664320. Its totient is φ = 1662783679728.

The previous prime is 1671485021417. The next prime is 1671485021449. The reversal of 1671485021441 is 1441205841761.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1671485021441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671485021392 and 1671485021401.

It is not an unprimeable number, because it can be changed into a prime (1671485021449) 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, 2802761 + ... + 3346406.

It is an arithmetic number, because the mean of its divisors is an integer number (210024833040).

Almost surely, 2^{1671485021441} is an apocalyptic number.

It is an amenable number.

1671485021441 is a deficient number, since it is larger than the sum of its proper divisors (8713642879).

1671485021441 is a wasteful number, since it uses less digits than its factorization.

1671485021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150583.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 1671485021441 in words is "one trillion, six hundred seventy-one billion, four hundred eighty-five million, twenty-one thousand, four hundred forty-one".