1356555606 has 16 divisors (see below), whose sum is σ = 3100698624. Its totient is φ = 387587304.

The previous prime is 1356555589. The next prime is 1356555619. The reversal of 1356555606 is 6065556531.

It is a super-2 number, since 2×1356555606² = 3680486224340054472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 32298943 = 1356555606 / (1 + 3 + 5 + 6 + 5 + 5 + 5 + 6 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16149430 + ... + 16149513.

It is an arithmetic number, because the mean of its divisors is an integer number (193793664).

Almost surely, 2^1356555606 is an apocalyptic number.

1356555606 is an abundant number, since it is smaller than the sum of its proper divisors (1744143018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356555606 is a wasteful number, since it uses less digits than its factorization.

1356555606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32298955.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 1356555606 is about 36831.4486003470. The cubic root of 1356555606 is about 1106.9955289676.

The spelling of 1356555606 in words is "one billion, three hundred fifty-six million, five hundred fifty-five thousand, six hundred six".