160066561605566 has 16 divisors (see below), whose sum is σ = 299345258067840. Its totient is φ = 62363595430680.

The previous prime is 160066561605527. The next prime is 160066561605617. The reversal of 160066561605566 is 665506165660061.

It is a happy number.

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, 519696628436 + ... + 519696628743.

It is an arithmetic number, because the mean of its divisors is an integer number (18709078629240).

Almost surely, 2^{160066561605566} is an apocalyptic number.

160066561605566 is a deficient number, since it is larger than the sum of its proper divisors (139278696462274).

160066561605566 is a wasteful number, since it uses less digits than its factorization.

160066561605566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039393257199.

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 160066561605566 in words is "one hundred sixty trillion, sixty-six billion, five hundred sixty-one million, six hundred five thousand, five hundred sixty-six".