1606372622989 has 16 divisors (see below), whose sum is σ = 1652017867200. Its totient is φ = 1560845942784.

The previous prime is 1606372622969. The next prime is 1606372623007. The reversal of 1606372622989 is 9892262736061.

It is a cyclic number.

It is not a de Polignac number, because 1606372622989 - 2¹³ = 1606372614797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606372622929) 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, 130710157 + ... + 130722445.

It is an arithmetic number, because the mean of its divisors is an integer number (103251116700).

Almost surely, 2^{1606372622989} is an apocalyptic number.

It is an amenable number.

1606372622989 is a deficient number, since it is larger than the sum of its proper divisors (45645244211).

1606372622989 is a wasteful number, since it uses less digits than its factorization.

1606372622989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16812.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 1606372622989 in words is "one trillion, six hundred six billion, three hundred seventy-two million, six hundred twenty-two thousand, nine hundred eighty-nine".