1361333616 has 40 divisors (see below), whose sum is σ = 3723650064. Its totient is φ = 427084800.

The previous prime is 1361333579. The next prime is 1361333627. The reversal of 1361333616 is 6163331631.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833335 + ... + 834966.

Almost surely, 2^1361333616 is an apocalyptic number.

1361333616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1361333616 is an abundant number, since it is smaller than the sum of its proper divisors (2362316448).

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

1361333616 is a wasteful number, since it uses less digits than its factorization.

1361333616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668329 (or 1668323 counting only the distinct ones).

The product of its digits is 17496, while the sum is 33.

The square root of 1361333616 is about 36896.2547692852. The cubic root of 1361333616 is about 1108.2936789677.

The spelling of 1361333616 in words is "one billion, three hundred sixty-one million, three hundred thirty-three thousand, six hundred sixteen".