1671480292445 has 16 divisors (see below), whose sum is σ = 2011100860080. Its totient is φ = 1333635139584.

The previous prime is 1671480292429. The next prime is 1671480292457. The reversal of 1671480292445 is 5442920841761.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 129815369401 + 1541664923044 = 360299^2 + 1241638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671480292445 - 2⁴ = 1671480292429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29413079 + ... + 29469851.

It is an arithmetic number, because the mean of its divisors is an integer number (125693803755).

Almost surely, 2^{1671480292445} is an apocalyptic number.

It is an amenable number.

1671480292445 is a deficient number, since it is larger than the sum of its proper divisors (339620567635).

1671480292445 is a wasteful number, since it uses less digits than its factorization.

1671480292445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72304.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 1671480292445 in words is "one trillion, six hundred seventy-one billion, four hundred eighty million, two hundred ninety-two thousand, four hundred forty-five".