101620570728 has 32 divisors (see below), whose sum is σ = 254060739360. Its totient is φ = 33872281920.

The previous prime is 101620570721. The next prime is 101620570747. The reversal of 101620570728 is 827075026101.

It is not an unprimeable number, because it can be changed into a prime (101620570721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787663 + ... + 907553.

It is an arithmetic number, because the mean of its divisors is an integer number (7939398105).

Almost surely, 2^101620570728 is an apocalyptic number.

It is an amenable number.

101620570728 is an abundant number, since it is smaller than the sum of its proper divisors (152440168632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101620570728 is a wasteful number, since it uses less digits than its factorization.

101620570728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155217 (or 155213 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

Adding to 101620570728 its reverse (827075026101), we get a palindrome (928695596829).

The spelling of 101620570728 in words is "one hundred one billion, six hundred twenty million, five hundred seventy thousand, seven hundred twenty-eight".