1616422143572 has 6 divisors (see below), whose sum is σ = 2828738751258. Its totient is φ = 808211071784.

The previous prime is 1616422143527. The next prime is 1616422143617. The reversal of 1616422143572 is 2753412246161.

It is an interprime number because it is at equal distance from previous prime (1616422143527) and next prime (1616422143617).

It can be written as a sum of positive squares in only one way, i.e., 1605603231376 + 10818912196 = 1267124^2 + 104014^2 .

It is a super-2 number, since 2×1616422143572² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202052767943 + ... + 202052767950.

It is an arithmetic number, because the mean of its divisors is an integer number (471456458543).

Almost surely, 2^{1616422143572} is an apocalyptic number.

It is an amenable number.

1616422143572 is a deficient number, since it is larger than the sum of its proper divisors (1212316607686).

1616422143572 is a wasteful number, since it uses less digits than its factorization.

1616422143572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404105535897 (or 404105535895 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 1616422143572 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, one hundred forty-three thousand, five hundred seventy-two".