1606220166456 has 24 divisors (see below), whose sum is σ = 4350179617680. Its totient is φ = 535406722128.

The previous prime is 1606220166427. The next prime is 1606220166503. The reversal of 1606220166456 is 6546610226061.

1606220166456 is a `hidden beast` number, since 1 + 6 + 0 + 622 + 0 + 16 + 6 + 4 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11154306640 + ... + 11154306783.

It is an arithmetic number, because the mean of its divisors is an integer number (181257484070).

Almost surely, 2^{1606220166456} is an apocalyptic number.

It is an amenable number.

1606220166456 is an abundant number, since it is smaller than the sum of its proper divisors (2743959451224).

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

1606220166456 is a wasteful number, since it uses less digits than its factorization.

1606220166456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22308613435 (or 22308613428 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1606220166456 in words is "one trillion, six hundred six billion, two hundred twenty million, one hundred sixty-six thousand, four hundred fifty-six".