4180713561 has 8 divisors (see below), whose sum is σ = 6193649760. Its totient is φ = 2787142356.

The previous prime is 4180713557. The next prime is 4180713587. The reversal of 4180713561 is 1653170814.

4180713561 is a `hidden beast` number, since 4 + 1 + 80 + 7 + 13 + 561 = 666.

It is not a de Polignac number, because 4180713561 - 2² = 4180713557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4180713541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77420595 + ... + 77420648.

It is an arithmetic number, because the mean of its divisors is an integer number (774206220).

Almost surely, 2^4180713561 is an apocalyptic number.

It is an amenable number.

4180713561 is a deficient number, since it is larger than the sum of its proper divisors (2012936199).

4180713561 is a wasteful number, since it uses less digits than its factorization.

4180713561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154841252 (or 154841246 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 4180713561 is about 64658.4376628449. The cubic root of 4180713561 is about 1610.9552297273.

The spelling of 4180713561 in words is "four billion, one hundred eighty million, seven hundred thirteen thousand, five hundred sixty-one".