7166038853 has 4 divisors (see below), whose sum is σ = 7166647488. Its totient is φ = 7165430220.

The previous prime is 7166038843. The next prime is 7166038871. The reversal of 7166038853 is 3588306617.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7166038853 is a prime.

It is a super-2 number, since 2×7166038853² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7166038798 and 7166038807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166038813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286301 + ... + 310322.

It is an arithmetic number, because the mean of its divisors is an integer number (1791661872).

Almost surely, 2^7166038853 is an apocalyptic number.

It is an amenable number.

7166038853 is a deficient number, since it is larger than the sum of its proper divisors (608635).

7166038853 is a wasteful number, since it uses less digits than its factorization.

7166038853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608634.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 7166038853 is about 84652.4592259433. The cubic root of 7166038853 is about 1927.9379529175.

The spelling of 7166038853 in words is "seven billion, one hundred sixty-six million, thirty-eight thousand, eight hundred fifty-three".