1655055012 has 24 divisors (see below), whose sum is σ = 4158856576. Its totient is φ = 509247648.

The previous prime is 1655054981. The next prime is 1655055013. The reversal of 1655055012 is 2105505561.

It is not an unprimeable number, because it can be changed into a prime (1655055013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304508 + ... + 5304819.

Almost surely, 2^1655055012 is an apocalyptic number.

1655055012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1655055012 is an abundant number, since it is smaller than the sum of its proper divisors (2503801564).

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

1655055012 is a wasteful number, since it uses less digits than its factorization.

1655055012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609347 (or 10609345 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1655055012 is about 40682.3673352473. The cubic root of 1655055012 is about 1182.8712544784.

The spelling of 1655055012 in words is "one billion, six hundred fifty-five million, fifty-five thousand, twelve".