653141665640 has 32 divisors (see below), whose sum is σ = 1474761595680. Its totient is φ = 260333493312.

The previous prime is 653141665591. The next prime is 653141665663. The reversal of 653141665640 is 46566141356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28837694 + ... + 28860333.

It is an arithmetic number, because the mean of its divisors is an integer number (46086299865).

Almost surely, 2^653141665640 is an apocalyptic number.

It is an amenable number.

653141665640 is an abundant number, since it is smaller than the sum of its proper divisors (821619930040).

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

653141665640 is a wasteful number, since it uses less digits than its factorization.

653141665640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57698321 (or 57698317 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 653141665640 in words is "six hundred fifty-three billion, one hundred forty-one million, six hundred sixty-five thousand, six hundred forty".