1361664600 has 48 divisors (see below), whose sum is σ = 4221162120. Its totient is φ = 363110400.

The previous prime is 1361664533. The next prime is 1361664613. The reversal of 1361664600 is 64661631.

It is a congruent number.

It is an unprimeable number.

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, 1134121 + ... + 1135320.

Almost surely, 2^1361664600 is an apocalyptic number.

1361664600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361664600 is an abundant number, since it is smaller than the sum of its proper divisors (2859497520).

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

1361664600 is a wasteful number, since it uses less digits than its factorization.

1361664600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269460 (or 2269451 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1361664600 is about 36900.7398299817. The cubic root of 1361664600 is about 1108.3834923060.

The spelling of 1361664600 in words is "one billion, three hundred sixty-one million, six hundred sixty-four thousand, six hundred".