610561533513456 has 160 divisors (see below), whose sum is σ = 2030337259384320. Its totient is φ = 172056479049216.

The previous prime is 610561533513439. The next prime is 610561533513461. The reversal of 610561533513456 is 654315335165016.

610561533513456 is a `hidden beast` number, since 6 + 1 + 0 + 5 + 6 + 1 + 533 + 51 + 3 + 4 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382692050 + ... + 1383133553.

It is an arithmetic number, because the mean of its divisors is an integer number (12689607871152).

Almost surely, 2^{610561533513456} is an apocalyptic number.

It is an amenable number.

610561533513456 is an abundant number, since it is smaller than the sum of its proper divisors (1419775725870864).

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

610561533513456 is a wasteful number, since it uses less digits than its factorization.

610561533513456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765825700 (or 2765825688 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 54.

The spelling of 610561533513456 in words is "six hundred ten trillion, five hundred sixty-one billion, five hundred thirty-three million, five hundred thirteen thousand, four hundred fifty-six".