1556650606005 has 48 divisors (see below), whose sum is σ = 2946896349696. Its totient is φ = 753864927360.

The previous prime is 1556650605953. The next prime is 1556650606117. The reversal of 1556650606005 is 5006060566551.

It is not a de Polignac number, because 1556650606005 - 2¹⁴ = 1556650589621 is a prime.

It is a super-2 number, since 2×1556650606005² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1394802 + ... + 2249171.

It is an arithmetic number, because the mean of its divisors is an integer number (61393673952).

Almost surely, 2^{1556650606005} is an apocalyptic number.

1556650606005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1556650606005 is a deficient number, since it is larger than the sum of its proper divisors (1390245743691).

1556650606005 is a wasteful number, since it uses less digits than its factorization.

1556650606005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644858 (or 3644855 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 1556650606005 in words is "one trillion, five hundred fifty-six billion, six hundred fifty million, six hundred six thousand, five".