1606556234730 has 64 divisors (see below), whose sum is σ = 3909071093760. Its totient is φ = 422501342016.

The previous prime is 1606556234729. The next prime is 1606556234747. The reversal of 1606556234730 is 374326556061.

It is a self number, because there is not a number n which added to its sum of digits gives 1606556234730.

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 31 ways as a sum of consecutive naturals, for example, 1652569 + ... + 2438051.

It is an arithmetic number, because the mean of its divisors is an integer number (61079235840).

Almost surely, 2^{1606556234730} is an apocalyptic number.

1606556234730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1606556234730 is an abundant number, since it is smaller than the sum of its proper divisors (2302514859030).

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

1606556234730 is a wasteful number, since it uses less digits than its factorization.

1606556234730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786435.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 1606556234730 in words is "one trillion, six hundred six billion, five hundred fifty-six million, two hundred thirty-four thousand, seven hundred thirty".