4165551660 has 48 divisors (see below), whose sum is σ = 11666785536. Its totient is φ = 1110505152.

The previous prime is 4165551653. The next prime is 4165551721. The reversal of 4165551660 is 661555614.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279969 + ... + 294471.

It is an arithmetic number, because the mean of its divisors is an integer number (243058032).

Almost surely, 2^4165551660 is an apocalyptic number.

It is an amenable number.

4165551660 is an abundant number, since it is smaller than the sum of its proper divisors (7501233876).

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

4165551660 is a wasteful number, since it uses less digits than its factorization.

4165551660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 4165551660 is about 64541.0850544055. The cubic root of 4165551660 is about 1609.0054245905.

The spelling of 4165551660 in words is "four billion, one hundred sixty-five million, five hundred fifty-one thousand, six hundred sixty".