1606220216031 has 8 divisors (see below), whose sum is σ = 2142245399680. Its totient is φ = 1070504254872.

The previous prime is 1606220215981. The next prime is 1606220216039. The reversal of 1606220216031 is 1306120226061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1606220216031 - 2⁶ = 1606220215967 is a prime.

It is a super-2 number, since 2×1606220216031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606220216031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606220216039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77293501 + ... + 77314278.

It is an arithmetic number, because the mean of its divisors is an integer number (267780674960).

Almost surely, 2^{1606220216031} is an apocalyptic number.

1606220216031 is a deficient number, since it is larger than the sum of its proper divisors (536025183649).

1606220216031 is a wasteful number, since it uses less digits than its factorization.

1606220216031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154611245.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1606220216031 in words is "one trillion, six hundred six billion, two hundred twenty million, two hundred sixteen thousand, thirty-one".