16005939902 has 16 divisors (see below), whose sum is σ = 24947533824. Its totient is φ = 7693515000.

The previous prime is 16005939889. The next prime is 16005939907. The reversal of 16005939902 is 20993950061.

It is a super-2 number, since 2×16005939902² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005939907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845474 + ... + 864197.

It is an arithmetic number, because the mean of its divisors is an integer number (1559220864).

Almost surely, 2^16005939902 is an apocalyptic number.

16005939902 is a deficient number, since it is larger than the sum of its proper divisors (8941593922).

16005939902 is a wasteful number, since it uses less digits than its factorization.

16005939902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709855.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 16005939902 in words is "sixteen billion, five million, nine hundred thirty-nine thousand, nine hundred two".