16158647732 has 12 divisors (see below), whose sum is σ = 28300282500. Its totient is φ = 8072852736.

The previous prime is 16158647707. The next prime is 16158647761. The reversal of 16158647732 is 23774685161.

It can be written as a sum of positive squares in 2 ways, for example, as 11658384676 + 4500263056 = 107974^2 + 67084^2 .

It is a super-2 number, since 2×16158647732² (a number of 21 digits) contains 22 as substring.

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, 1612163 + ... + 1622154.

It is an arithmetic number, because the mean of its divisors is an integer number (2358356875).

Almost surely, 2^16158647732 is an apocalyptic number.

It is an amenable number.

16158647732 is a deficient number, since it is larger than the sum of its proper divisors (12141634768).

16158647732 is a wasteful number, since it uses less digits than its factorization.

16158647732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235570 (or 3235568 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 16158647732 in words is "sixteen billion, one hundred fifty-eight million, six hundred forty-seven thousand, seven hundred thirty-two".