1655796920 has 32 divisors (see below), whose sum is σ = 3730432320. Its totient is φ = 661449600.

The previous prime is 1655796913. The next prime is 1655796941. The reversal of 1655796920 is 296975561.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 57695.

It is an arithmetic number, because the mean of its divisors is an integer number (116576010).

Almost surely, 2^1655796920 is an apocalyptic number.

1655796920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655796920 is an abundant number, since it is smaller than the sum of its proper divisors (2074635400).

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

1655796920 is a wasteful number, since it uses less digits than its factorization.

1655796920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54335 (or 54331 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 1655796920 is about 40691.4846128769. The cubic root of 1655796920 is about 1183.0479758043.

The spelling of 1655796920 in words is "one billion, six hundred fifty-five million, seven hundred ninety-six thousand, nine hundred twenty".