7165813732987 has 32 divisors (see below), whose sum is σ = 9105710874624. Its totient is φ = 5487816096000.

The previous prime is 7165813732951. The next prime is 7165813732991. The reversal of 7165813732987 is 7892373185617.

7165813732987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7165813732987 - 2³⁹ = 6616057919099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7165813732907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7087639 + ... + 8035312.

It is an arithmetic number, because the mean of its divisors is an integer number (284553464832).

Almost surely, 2^{7165813732987} is an apocalyptic number.

7165813732987 is a deficient number, since it is larger than the sum of its proper divisors (1939897141637).

7165813732987 is a wasteful number, since it uses less digits than its factorization.

7165813732987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123139.

The product of its digits is 106686720, while the sum is 67.

The spelling of 7165813732987 in words is "seven trillion, one hundred sixty-five billion, eight hundred thirteen million, seven hundred thirty-two thousand, nine hundred eighty-seven".