1601006205631 has 32 divisors (see below), whose sum is σ = 1926828103680. Its totient is φ = 1301229014400.

The previous prime is 1601006205611. The next prime is 1601006205637. The reversal of 1601006205631 is 1365026001061.

It is not a de Polignac number, because 1601006205631 - 2⁵ = 1601006205599 is a prime.

It is a super-2 number, since 2×1601006205631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601006205593 and 1601006205602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601006205637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7911886 + ... + 8111716.

It is an arithmetic number, because the mean of its divisors is an integer number (60213378240).

Almost surely, 2^{1601006205631} is an apocalyptic number.

1601006205631 is a deficient number, since it is larger than the sum of its proper divisors (325821898049).

1601006205631 is a wasteful number, since it uses less digits than its factorization.

1601006205631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200575.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 1601006205631 in words is "one trillion, six hundred one billion, six million, two hundred five thousand, six hundred thirty-one".