16031529412 has 6 divisors (see below), whose sum is σ = 28055176478. Its totient is φ = 8015764704.

The previous prime is 16031529407. The next prime is 16031529427. The reversal of 16031529412 is 21492513061.

It can be written as a sum of positive squares in only one way, i.e., 14086366596 + 1945162816 = 118686^2 + 44104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003941173 + ... + 2003941180.

Almost surely, 2^16031529412 is an apocalyptic number.

It is an amenable number.

16031529412 is a deficient number, since it is larger than the sum of its proper divisors (12023647066).

16031529412 is a wasteful number, since it uses less digits than its factorization.

16031529412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007882357 (or 4007882355 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 16031529412 in words is "sixteen billion, thirty-one million, five hundred twenty-nine thousand, four hundred twelve".