7161016999 has 4 divisors (see below), whose sum is σ = 7166706120. Its totient is φ = 7155327880.

The previous prime is 7161016943. The next prime is 7161017021. The reversal of 7161016999 is 9996101617.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7161016999 - 2¹⁹ = 7160492711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161016099) 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, 2842672 + ... + 2845189.

It is an arithmetic number, because the mean of its divisors is an integer number (1791676530).

Almost surely, 2^7161016999 is an apocalyptic number.

7161016999 is a deficient number, since it is larger than the sum of its proper divisors (5689121).

7161016999 is a wasteful number, since it uses less digits than its factorization.

7161016999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689120.

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 7161016999 is about 84622.7924320629. The cubic root of 7161016999 is about 1927.4874908781.

The spelling of 7161016999 in words is "seven billion, one hundred sixty-one million, sixteen thousand, nine hundred ninety-nine".