1654998560 has 24 divisors (see below), whose sum is σ = 3909934476. Its totient is φ = 661999360.

The previous prime is 1654998551. The next prime is 1654998599. The reversal of 1654998560 is 658994561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1645438096 + 9560464 = 40564^2 + 3092^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5171711 + ... + 5172030.

Almost surely, 2^1654998560 is an apocalyptic number.

1654998560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1654998560 is an abundant number, since it is smaller than the sum of its proper divisors (2254935916).

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

1654998560 is a wasteful number, since it uses less digits than its factorization.

1654998560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343756 (or 10343748 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 1654998560 is about 40681.6735152329. The cubic root of 1654998560 is about 1182.8578055382.

The spelling of 1654998560 in words is "one billion, six hundred fifty-four million, nine hundred ninety-eight thousand, five hundred sixty".