1616422725071 has 32 divisors (see below), whose sum is σ = 2061159744000. Its totient is φ = 1256640013440.

The previous prime is 1616422725059. The next prime is 1616422725077. The reversal of 1616422725071 is 1705272246161.

It is a happy number.

It is not a de Polignac number, because 1616422725071 - 2⁶ = 1616422725007 is a prime.

It is a super-2 number, since 2×1616422725071² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616422725077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139000 + ... + 2128418.

It is an arithmetic number, because the mean of its divisors is an integer number (64411242000).

Almost surely, 2^{1616422725071} is an apocalyptic number.

1616422725071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1616422725071 is a deficient number, since it is larger than the sum of its proper divisors (444737018929).

1616422725071 is an equidigital number, since it uses as much as digits as its factorization.

1616422725071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989884 (or 989870 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1616422725071 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, seven hundred twenty-five thousand, seventy-one".