16442066115602 has 4 divisors (see below), whose sum is σ = 24663099173406. Its totient is φ = 8221033057800.

The previous prime is 16442066115593. The next prime is 16442066115641. The reversal of 16442066115602 is 20651166024461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10875623348041 + 5566442767561 = 3297821^2 + 2359331^2 .

It is a super-3 number, since 3×16442066115602³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110516528899 + ... + 4110516528902.

Almost surely, 2^{16442066115602} is an apocalyptic number.

16442066115602 is a deficient number, since it is larger than the sum of its proper divisors (8221033057804).

16442066115602 is an equidigital number, since it uses as much as digits as its factorization.

16442066115602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221033057803.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 16442066115602 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, one hundred fifteen thousand, six hundred two".