1653316650 has 192 divisors, whose sum is σ = 4731125760. Its totient is φ = 424267200.

The previous prime is 1653316649. The next prime is 1653316663. The reversal of 1653316650 is 566133561.

1653316650 is a `hidden beast` number, since 16 + 533 + 1 + 66 + 50 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4504767 + ... + 4505133.

It is an arithmetic number, because the mean of its divisors is an integer number (24641280).

Almost surely, 2^1653316650 is an apocalyptic number.

1653316650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1653316650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365562880).

1653316650 is an abundant number, since it is smaller than the sum of its proper divisors (3077809110).

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

1653316650 is a wasteful number, since it uses less digits than its factorization.

1653316650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1653316650 is about 40660.9966675683. The cubic root of 1653316650 is about 1182.4569724223.

The spelling of 1653316650 in words is "one billion, six hundred fifty-three million, three hundred sixteen thousand, six hundred fifty".