4041661365576 has 80 divisors (see below), whose sum is σ = 11320683273900. Its totient is φ = 1347186041856.

The previous prime is 4041661365571. The next prime is 4041661365619. The reversal of 4041661365576 is 6755631661404.

4041661365576 is a `hidden beast` number, since 4 + 0 + 4 + 1 + 6 + 6 + 1 + 3 + 65 + 576 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3383664596676 + 657996768900 = 1839474^2 + 811170^2 .

It is a super-4 number, since 4×4041661365576⁴ (a number of 52 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4041661365571) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44817940 + ... + 44908028.

Almost surely, 2^{4041661365576} is an apocalyptic number.

It is an amenable number.

4041661365576 is an abundant number, since it is smaller than the sum of its proper divisors (7279021908324).

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

4041661365576 is a wasteful number, since it uses less digits than its factorization.

4041661365576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159340 (or 159327 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 4041661365576 in words is "four trillion, forty-one billion, six hundred sixty-one million, three hundred sixty-five thousand, five hundred seventy-six".