21652420241662 has 32 divisors (see below), whose sum is σ = 37154588405760. Its totient is φ = 9270574644960.

The previous prime is 21652420241651. The next prime is 21652420241671. The reversal of 21652420241662 is 26614202425612.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59595712 + ... + 59957932.

It is an arithmetic number, because the mean of its divisors is an integer number (1161080887680).

Almost surely, 2^{21652420241662} is an apocalyptic number.

21652420241662 is a deficient number, since it is larger than the sum of its proper divisors (15502168164098).

21652420241662 is a wasteful number, since it uses less digits than its factorization.

21652420241662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366376.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 21652420241662 in words is "twenty-one trillion, six hundred fifty-two billion, four hundred twenty million, two hundred forty-one thousand, six hundred sixty-two".