1655220235102 has 12 divisors (see below), whose sum is σ = 2888190410400. Its totient is φ = 709380100716.

The previous prime is 1655220235087. The next prime is 1655220235103. The reversal of 1655220235102 is 2015320225561.

It is a super-2 number, since 2×1655220235102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655220235103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8445001102 + ... + 8445001297.

It is an arithmetic number, because the mean of its divisors is an integer number (240682534200).

Almost surely, 2^{1655220235102} is an apocalyptic number.

1655220235102 is a deficient number, since it is larger than the sum of its proper divisors (1232970175298).

1655220235102 is a wasteful number, since it uses less digits than its factorization.

1655220235102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16890002415 (or 16890002408 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1655220235102 in words is "one trillion, six hundred fifty-five billion, two hundred twenty million, two hundred thirty-five thousand, one hundred two".