653611623554 has 96 divisors (see below), whose sum is σ = 1119745710720. Its totient is φ = 285041908224.

The previous prime is 653611623527. The next prime is 653611623557. The reversal of 653611623554 is 455326116356.

It is a junction number, because it is equal to n+sod(n) for n = 653611623499 and 653611623508.

It is not an unprimeable number, because it can be changed into a prime (653611623557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104927312 + ... + 104933540.

It is an arithmetic number, because the mean of its divisors is an integer number (11664017820).

Almost surely, 2^653611623554 is an apocalyptic number.

653611623554 is a deficient number, since it is larger than the sum of its proper divisors (466134087166).

653611623554 is a wasteful number, since it uses less digits than its factorization.

653611623554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472 (or 6453 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The spelling of 653611623554 in words is "six hundred fifty-three billion, six hundred eleven million, six hundred twenty-three thousand, five hundred fifty-four".