101581828064 has 12 divisors (see below), whose sum is σ = 199989224064. Its totient is φ = 50790914016.

The previous prime is 101581828039. The next prime is 101581828069. The reversal of 101581828064 is 460828185101.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101581828069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587216032 + ... + 1587216095.

It is an arithmetic number, because the mean of its divisors is an integer number (16665768672).

Almost surely, 2^101581828064 is an apocalyptic number.

It is an amenable number.

101581828064 is a deficient number, since it is larger than the sum of its proper divisors (98407396000).

101581828064 is an equidigital number, since it uses as much as digits as its factorization.

101581828064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174432137 (or 3174432129 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 101581828064 in words is "one hundred one billion, five hundred eighty-one million, eight hundred twenty-eight thousand, sixty-four".