4156653825 has 18 divisors (see below), whose sum is σ = 7445029254. Its totient is φ = 2216881920.

The previous prime is 4156653793. The next prime is 4156653829. The reversal of 4156653825 is 5283566514.

4156653825 is a `hidden beast` number, since 4 + 1 + 566 + 5 + 3 + 82 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1046529 + 4155607296 = 1023^2 + 64464^2 .

It is not a de Polignac number, because 4156653825 - 2⁵ = 4156653793 is a prime.

It is a super-3 number, since 3×4156653825³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4156653829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9236784 + ... + 9237233.

Almost surely, 2^4156653825 is an apocalyptic number.

4156653825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4156653825 is a deficient number, since it is larger than the sum of its proper divisors (3288375429).

4156653825 is a wasteful number, since it uses less digits than its factorization.

4156653825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474033 (or 18474025 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 4156653825 is about 64472.1166474314. The cubic root of 4156653825 is about 1607.8589681482.

The spelling of 4156653825 in words is "four billion, one hundred fifty-six million, six hundred fifty-three thousand, eight hundred twenty-five".