4055661513 has 24 divisors (see below), whose sum is σ = 6069323520. Its totient is φ = 2606604000.

The previous prime is 4055661509. The next prime is 4055661527. The reversal of 4055661513 is 3151665504.

4055661513 is a `hidden beast` number, since 40 + 5 + 566 + 1 + 51 + 3 = 666.

4055661513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4055661513 - 2² = 4055661509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4055661613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166888 + ... + 189638.

It is an arithmetic number, because the mean of its divisors is an integer number (252888480).

Almost surely, 2^4055661513 is an apocalyptic number.

It is an amenable number.

4055661513 is a deficient number, since it is larger than the sum of its proper divisors (2013662007).

4055661513 is a wasteful number, since it uses less digits than its factorization.

4055661513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23469 (or 23466 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 4055661513 is about 63684.0758196270. The cubic root of 4055661513 is about 1594.7302555141.

The spelling of 4055661513 in words is "four billion, fifty-five million, six hundred sixty-one thousand, five hundred thirteen".