16394403380602 has 32 divisors (see below), whose sum is σ = 26603186173200. Its totient is φ = 7532395711488.

The previous prime is 16394403380539. The next prime is 16394403380617. The reversal of 16394403380602 is 20608330449361.

It can be written as a sum of positive squares in 8 ways, for example, as 14628398934681 + 1766004445921 = 3824709^2 + 1328911^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37393474 + ... + 37829362.

Almost surely, 2^{16394403380602} is an apocalyptic number.

16394403380602 is a deficient number, since it is larger than the sum of its proper divisors (10208782792598).

16394403380602 is a wasteful number, since it uses less digits than its factorization.

16394403380602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442450.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 16394403380602 in words is "sixteen trillion, three hundred ninety-four billion, four hundred three million, three hundred eighty thousand, six hundred two".