1406671404556 has 12 divisors (see below), whose sum is σ = 2685463590600. Its totient is φ = 639396092960.

The previous prime is 1406671404473. The next prime is 1406671404559. The reversal of 1406671404556 is 6554041766041.

It is not an unprimeable number, because it can be changed into a prime (1406671404559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15984902281 + ... + 15984902368.

It is an arithmetic number, because the mean of its divisors is an integer number (223788632550).

Almost surely, 2^{1406671404556} is an apocalyptic number.

It is an amenable number.

1406671404556 is a deficient number, since it is larger than the sum of its proper divisors (1278792186044).

1406671404556 is a wasteful number, since it uses less digits than its factorization.

1406671404556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31969804664 (or 31969804662 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 1406671404556 in words is "one trillion, four hundred six billion, six hundred seventy-one million, four hundred four thousand, five hundred fifty-six".