16158632687 has 8 divisors (see below), whose sum is σ = 16343087904. Its totient is φ = 15974707968.

The previous prime is 16158632683. The next prime is 16158632797. The reversal of 16158632687 is 78623685161.

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

It is a cyclic number.

It is not a de Polignac number, because 16158632687 - 2² = 16158632683 is a prime.

It is a super-2 number, since 2×16158632687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16158632683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71198 + ... + 193355.

It is an arithmetic number, because the mean of its divisors is an integer number (2042885988).

Almost surely, 2^16158632687 is an apocalyptic number.

16158632687 is a deficient number, since it is larger than the sum of its proper divisors (184455217).

16158632687 is a wasteful number, since it uses less digits than its factorization.

16158632687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265249.

The product of its digits is 2903040, while the sum is 53.

The spelling of 16158632687 in words is "sixteen billion, one hundred fifty-eight million, six hundred thirty-two thousand, six hundred eighty-seven".