1661062133224 has 16 divisors (see below), whose sum is σ = 3354067769220. Its totient is φ = 766644061440.

The previous prime is 1661062133209. The next prime is 1661062133249. The reversal of 1661062133224 is 4223312601661.

It can be written as a sum of positive squares in 2 ways, for example, as 1303063344324 + 357998788900 = 1141518^2 + 598330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7985875537 + ... + 7985875744.

Almost surely, 2^{1661062133224} is an apocalyptic number.

It is an amenable number.

1661062133224 is an abundant number, since it is smaller than the sum of its proper divisors (1693005635996).

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

1661062133224 is a wasteful number, since it uses less digits than its factorization.

1661062133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15971751300 (or 15971751296 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 1661062133224 its reverse (4223312601661), we get a palindrome (5884374734885).

The spelling of 1661062133224 in words is "one trillion, six hundred sixty-one billion, sixty-two million, one hundred thirty-three thousand, two hundred twenty-four".