16402332536642 has 64 divisors (see below), whose sum is σ = 27806000302080. Its totient is φ = 7204231065600.

The previous prime is 16402332536593. The next prime is 16402332536731. The reversal of 16402332536642 is 24663523320461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210834083 + ... + 210911865.

It is an arithmetic number, because the mean of its divisors is an integer number (434468754720).

Almost surely, 2^{16402332536642} is an apocalyptic number.

16402332536642 is a deficient number, since it is larger than the sum of its proper divisors (11403667765438).

16402332536642 is a wasteful number, since it uses less digits than its factorization.

16402332536642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82179.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 16402332536642 in words is "sixteen trillion, four hundred two billion, three hundred thirty-two million, five hundred thirty-six thousand, six hundred forty-two".