7166898 has 18 divisors (see below), whose sum is σ = 15552927. Its totient is φ = 2385180.

The previous prime is 7166897. The next prime is 7166899. The reversal of 7166898 is 8986617.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7166897) and next prime (7166899).

It can be written as a sum of positive squares in only one way, i.e., 3583449 + 3583449 = 1893^2 + 1893^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1893.

It is not an unprimeable number, because it can be changed into a prime (7166891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11043 + ... + 11673.

Almost surely, 2^7166898 is an apocalyptic number.

7166898 is an abundant number, since it is smaller than the sum of its proper divisors (8386029).

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

7166898 is an equidigital number, since it uses as much as digits as its factorization.

7166898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 636 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7166898 is about 2677.1062735723. The cubic root of 7166898 is about 192.8014997616.

The spelling of 7166898 in words is "seven million, one hundred sixty-six thousand, eight hundred ninety-eight".