1655205112616 has 24 divisors (see below), whose sum is σ = 3411295662810. Its totient is φ = 752365959840.

The previous prime is 1655205112577. The next prime is 1655205112619. The reversal of 1655205112616 is 6162115025561.

It can be written as a sum of positive squares in only one way, i.e., 1471296220900 + 183908891716 = 1212970^2 + 428846^2 .

It is not an unprimeable number, because it can be changed into a prime (1655205112619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 854960351 + ... + 854962286.

Almost surely, 2^{1655205112616} is an apocalyptic number.

It is an amenable number.

1655205112616 is an abundant number, since it is smaller than the sum of its proper divisors (1756090550194).

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

1655205112616 is a wasteful number, since it uses less digits than its factorization.

1655205112616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709922665 (or 1709922650 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 1655205112616 in words is "one trillion, six hundred fifty-five billion, two hundred five million, one hundred twelve thousand, six hundred sixteen".