101922581640 has 64 divisors (see below), whose sum is σ = 333564816960. Its totient is φ = 24708504320.

The previous prime is 101922581611. The next prime is 101922581641. The reversal of 101922581640 is 46185229101.

It is not an unprimeable number, because it can be changed into a prime (101922581641) 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 15 ways as a sum of consecutive naturals, for example, 38605719 + ... + 38608358.

It is an arithmetic number, because the mean of its divisors is an integer number (5211950265).

Almost surely, 2^101922581640 is an apocalyptic number.

101922581640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101922581640 is an abundant number, since it is smaller than the sum of its proper divisors (231642235320).

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

101922581640 is a wasteful number, since it uses less digits than its factorization.

101922581640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77214102 (or 77214098 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 101922581640 in words is "one hundred one billion, nine hundred twenty-two million, five hundred eighty-one thousand, six hundred forty".