16700266642738 has 16 divisors (see below), whose sum is σ = 29552545580544. Its totient is φ = 6926377870080.

The previous prime is 16700266642723. The next prime is 16700266642739. The reversal of 16700266642738 is 83724666200761.

It is not an unprimeable number, because it can be changed into a prime (16700266642739) 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, 19239938095 + ... + 19239938962.

It is an arithmetic number, because the mean of its divisors is an integer number (1847034098784).

Almost surely, 2^{16700266642738} is an apocalyptic number.

16700266642738 is a deficient number, since it is larger than the sum of its proper divisors (12852278937806).

16700266642738 is a wasteful number, since it uses less digits than its factorization.

16700266642738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38479877097.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 16700266642738 in words is "sixteen trillion, seven hundred billion, two hundred sixty-six million, six hundred forty-two thousand, seven hundred thirty-eight".