1655206522230 has 16 divisors (see below), whose sum is σ = 3972495653424. Its totient is φ = 441388405920.

The previous prime is 1655206522201. The next prime is 1655206522247. The reversal of 1655206522230 is 322256025561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27586775341 + ... + 27586775400.

It is an arithmetic number, because the mean of its divisors is an integer number (248280978339).

Almost surely, 2^{1655206522230} is an apocalyptic number.

1655206522230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1655206522230 is an abundant number, since it is smaller than the sum of its proper divisors (2317289131194).

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

1655206522230 is a wasteful number, since it uses less digits than its factorization.

1655206522230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55173550751.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 1655206522230 in words is "one trillion, six hundred fifty-five billion, two hundred six million, five hundred twenty-two thousand, two hundred thirty".