16133440642 has 16 divisors (see below), whose sum is σ = 27014134752. Its totient is φ = 7162837920.

The previous prime is 16133440637. The next prime is 16133440651. The reversal of 16133440642 is 24604433161.

It is a junction number, because it is equal to n+sod(n) for n = 16133440598 and 16133440607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8526243 + ... + 8528134.

It is an arithmetic number, because the mean of its divisors is an integer number (1688383422).

Almost surely, 2^16133440642 is an apocalyptic number.

16133440642 is a deficient number, since it is larger than the sum of its proper divisors (10880694110).

16133440642 is a wasteful number, since it uses less digits than its factorization.

16133440642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054433.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 16133440642 in words is "sixteen billion, one hundred thirty-three million, four hundred forty thousand, six hundred forty-two".