1406521563164 has 12 divisors (see below), whose sum is σ = 2461814248488. Its totient is φ = 703146063600.

The previous prime is 1406521563079. The next prime is 1406521563203. The reversal of 1406521563164 is 4613651256041.

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 3 ways as a sum of consecutive naturals, for example, 28651907 + ... + 28700954.

It is an arithmetic number, because the mean of its divisors is an integer number (205151187374).

Almost surely, 2^{1406521563164} is an apocalyptic number.

It is an amenable number.

1406521563164 is a deficient number, since it is larger than the sum of its proper divisors (1055292685324).

1406521563164 is a wasteful number, since it uses less digits than its factorization.

1406521563164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57358996 (or 57358994 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1406521563164 in words is "one trillion, four hundred six billion, five hundred twenty-one million, five hundred sixty-three thousand, one hundred sixty-four".