1000655161642 has 16 divisors (see below), whose sum is σ = 1523182186440. Its totient is φ = 492942523392.

The previous prime is 1000655161637. The next prime is 1000655161651. The reversal of 1000655161642 is 2461615560001.

1000655161642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 634955579281 + 365699582361 = 796841^2 + 604731^2 .

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, 3553173 + ... + 3824440.

Almost surely, 2^{1000655161642} is an apocalyptic number.

1000655161642 is a deficient number, since it is larger than the sum of its proper divisors (522527024798).

1000655161642 is an equidigital number, since it uses as much as digits as its factorization.

1000655161642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378617.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1000655161642 in words is "one trillion, six hundred fifty-five million, one hundred sixty-one thousand, six hundred forty-two".