1606056556 has 48 divisors (see below), whose sum is σ = 3175852288. Its totient is φ = 705542400.

The previous prime is 1606056541. The next prime is 1606056583. The reversal of 1606056556 is 6556506061.

It is a super-2 number, since 2×1606056556² = 5158835322141162272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90166 + ... + 106498.

Almost surely, 2^1606056556 is an apocalyptic number.

It is an amenable number.

1606056556 is a deficient number, since it is larger than the sum of its proper divisors (1569795732).

1606056556 is a wasteful number, since it uses less digits than its factorization.

1606056556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442 (or 16440 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 1606056556 is about 40075.6354410008. The cubic root of 1606056556 is about 1171.0810268303.

The spelling of 1606056556 in words is "one billion, six hundred six million, fifty-six thousand, five hundred fifty-six".