1655098128 has 60 divisors (see below), whose sum is σ = 4638280140. Its totient is φ = 550948608.

The previous prime is 1655098117. The next prime is 1655098129. The reversal of 1655098128 is 8218905561.

It is a happy number.

1655098128 is a `hidden beast` number, since 1 + 6 + 550 + 98 + 1 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 227165184 + 1427932944 = 15072^2 + 37788^2 .

It is not an unprimeable number, because it can be changed into a prime (1655098129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103878 + ... + 118746.

It is an arithmetic number, because the mean of its divisors is an integer number (77304669).

Almost surely, 2^1655098128 is an apocalyptic number.

1655098128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1655098128 is an abundant number, since it is smaller than the sum of its proper divisors (2983182012).

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

1655098128 is a wasteful number, since it uses less digits than its factorization.

1655098128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15656 (or 15647 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 1655098128 is about 40682.8972419615. The cubic root of 1655098128 is about 1182.8815260874.

The spelling of 1655098128 in words is "one billion, six hundred fifty-five million, ninety-eight thousand, one hundred twenty-eight".