16068049664 has 36 divisors (see below), whose sum is σ = 33960009384. Its totient is φ = 7561433088.

The previous prime is 16068049661. The next prime is 16068049667. The reversal of 16068049664 is 46694086061.

It is an interprime number because it is at equal distance from previous prime (16068049661) and next prime (16068049667).

It is not an unprimeable number, because it can be changed into a prime (16068049661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841702 + ... + 1850405.

It is an arithmetic number, because the mean of its divisors is an integer number (943333594).

Almost surely, 2^16068049664 is an apocalyptic number.

It is an amenable number.

16068049664 is an abundant number, since it is smaller than the sum of its proper divisors (17891959720).

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

16068049664 is an equidigital number, since it uses as much as digits as its factorization.

16068049664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692140 (or 3692126 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 16068049664 in words is "sixteen billion, sixty-eight million, forty-nine thousand, six hundred sixty-four".