16290646386942 has 32 divisors (see below), whose sum is σ = 34468439904000. Its totient is φ = 5118563311488.

The previous prime is 16290646386913. The next prime is 16290646386947. The reversal of 16290646386942 is 24968364609261.

It is a super-2 number, since 2×16290646386942² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290646386947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359023563 + ... + 359068934.

It is an arithmetic number, because the mean of its divisors is an integer number (1077138747000).

Almost surely, 2^{16290646386942} is an apocalyptic number.

16290646386942 is an abundant number, since it is smaller than the sum of its proper divisors (18177793517058).

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

16290646386942 is a wasteful number, since it uses less digits than its factorization.

16290646386942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718092720.

The product of its (nonzero) digits is 161243136, while the sum is 66.

The spelling of 16290646386942 in words is "sixteen trillion, two hundred ninety billion, six hundred forty-six million, three hundred eighty-six thousand, nine hundred forty-two".