1636964050 has 72 divisors (see below), whose sum is σ = 3209169600. Its totient is φ = 621165600.

The previous prime is 1636964029. The next prime is 1636964053. The reversal of 1636964050 is 504696361.

It is a junction number, because it is equal to n+sod(n) for n = 1636963994 and 1636964012.

It is not an unprimeable number, because it can be changed into a prime (1636964053) 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 35 ways as a sum of consecutive naturals, for example, 5263395 + ... + 5263705.

It is an arithmetic number, because the mean of its divisors is an integer number (44571800).

Almost surely, 2^1636964050 is an apocalyptic number.

1636964050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1636964050 is a deficient number, since it is larger than the sum of its proper divisors (1572205550).

1636964050 is a wasteful number, since it uses less digits than its factorization.

1636964050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1636964050 is about 40459.4123783329. The cubic root of 1636964050 is about 1178.5455723218.

The spelling of 1636964050 in words is "one billion, six hundred thirty-six million, nine hundred sixty-four thousand, fifty".