2072040104661 has 32 divisors (see below), whose sum is σ = 2809559781888. Its totient is φ = 1358141990400.

The previous prime is 2072040104599. The next prime is 2072040104671. The reversal of 2072040104661 is 1664010402702.

It is not a de Polignac number, because 2072040104661 - 2⁶ = 2072040104597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072040104671) 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, 83379540 + ... + 83404386.

It is an arithmetic number, because the mean of its divisors is an integer number (87798743184).

Almost surely, 2^{2072040104661} is an apocalyptic number.

It is an amenable number.

2072040104661 is a deficient number, since it is larger than the sum of its proper divisors (737519677227).

2072040104661 is a wasteful number, since it uses less digits than its factorization.

2072040104661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26861.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 2072040104661 in words is "two trillion, seventy-two billion, forty million, one hundred four thousand, six hundred sixty-one".