1653466650 has 48 divisors (see below), whose sum is σ = 4473383328. Its totient is φ = 400840000.

The previous prime is 1653466637. The next prime is 1653466667. The reversal of 1653466650 is 566643561.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499401 + ... + 502700.

It is an arithmetic number, because the mean of its divisors is an integer number (93195486).

Almost surely, 2^1653466650 is an apocalyptic number.

1653466650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1653466650 is an abundant number, since it is smaller than the sum of its proper divisors (2819916678).

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

1653466650 is a wasteful number, since it uses less digits than its factorization.

1653466650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002127 (or 1002122 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 1653466650 is about 40662.8411452028. The cubic root of 1653466650 is about 1182.4927314892.

Subtracting from 1653466650 its reverse (566643561), we obtain a square (1086823089 = 32967²).

The spelling of 1653466650 in words is "one billion, six hundred fifty-three million, four hundred sixty-six thousand, six hundred fifty".