4165551653 has 2 divisors, whose sum is σ = 4165551654. Its totient is φ = 4165551652.

The previous prime is 4165551581. The next prime is 4165551721. The reversal of 4165551653 is 3561555614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4044705604 + 120846049 = 63598^2 + 10993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4165551653 is a prime.

It is a super-2 number, since 2×4165551653² = 34703641147622064818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4165551653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4165553653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082775826 + 2082775827.

It is an arithmetic number, because the mean of its divisors is an integer number (2082775827).

Almost surely, 2^4165551653 is an apocalyptic number.

It is an amenable number.

4165551653 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165551653 is an equidigital number, since it uses as much as digits as its factorization.

4165551653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The square root of 4165551653 is about 64541.0850001764. The cubic root of 4165551653 is about 1609.0054236892.

The spelling of 4165551653 in words is "four billion, one hundred sixty-five million, five hundred fifty-one thousand, six hundred fifty-three".