7161898492 has 24 divisors (see below), whose sum is σ = 14558616800. Its totient is φ = 3019066560.

The previous prime is 7161898487. The next prime is 7161898501. The reversal of 7161898492 is 2948981617.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094867 + ... + 2098282.

Almost surely, 2^7161898492 is an apocalyptic number.

It is an amenable number.

7161898492 is an abundant number, since it is smaller than the sum of its proper divisors (7396718308).

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

7161898492 is a wasteful number, since it uses less digits than its factorization.

7161898492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193221 (or 4193219 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 7161898492 is about 84628.0006380867. Note that the first 3 decimals coincide. The cubic root of 7161898492 is about 1927.5665763404.

The spelling of 7161898492 in words is "seven billion, one hundred sixty-one million, eight hundred ninety-eight thousand, four hundred ninety-two".