1406656416556 has 24 divisors (see below), whose sum is σ = 2528437755536. Its totient is φ = 684249508800.

The previous prime is 1406656416533. The next prime is 1406656416631. The reversal of 1406656416556 is 6556146566041.

It is a super-2 number, since 2×1406656416556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1406656416497 and 1406656416506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 985375 + ... + 1945321.

Almost surely, 2^{1406656416556} is an apocalyptic number.

It is an amenable number.

1406656416556 is a deficient number, since it is larger than the sum of its proper divisors (1121781338980).

1406656416556 is a wasteful number, since it uses less digits than its factorization.

1406656416556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969889 (or 969887 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 1406656416556 in words is "one trillion, four hundred six billion, six hundred fifty-six million, four hundred sixteen thousand, five hundred fifty-six".