16125333642 has 48 divisors (see below), whose sum is σ = 38129450112. Its totient is φ = 4884538560.

The previous prime is 16125333619. The next prime is 16125333647. The reversal of 16125333642 is 24633352161.

16125333642 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 5 + 3 + 3 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16125333597 and 16125333606.

It is not an unprimeable number, because it can be changed into a prime (16125333647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535183 + ... + 564509.

It is an arithmetic number, because the mean of its divisors is an integer number (794363544).

Almost surely, 2^16125333642 is an apocalyptic number.

16125333642 is an abundant number, since it is smaller than the sum of its proper divisors (22004116470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16125333642 is a wasteful number, since it uses less digits than its factorization.

16125333642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32123 (or 32120 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 16125333642 in words is "sixteen billion, one hundred twenty-five million, three hundred thirty-three thousand, six hundred forty-two".