7161659998 has 8 divisors (see below), whose sum is σ = 10744054560. Its totient is φ = 3580308480.

The previous prime is 7161659971. The next prime is 7161660013. The reversal of 7161659998 is 8999561617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243363 + ... + 271198.

It is an arithmetic number, because the mean of its divisors is an integer number (1343006820).

Almost surely, 2^7161659998 is an apocalyptic number.

7161659998 is a deficient number, since it is larger than the sum of its proper divisors (3582394562).

7161659998 is a wasteful number, since it uses less digits than its factorization.

7161659998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521522.

The product of its digits is 7348320, while the sum is 61.

The square root of 7161659998 is about 84626.5915537191. The cubic root of 7161659998 is about 1927.5451798645.

The spelling of 7161659998 in words is "seven billion, one hundred sixty-one million, six hundred fifty-nine thousand, nine hundred ninety-eight".