1366829616 has 40 divisors (see below), whose sum is σ = 3549487104. Its totient is φ = 453221440.

The previous prime is 1366829593. The next prime is 1366829621. The reversal of 1366829616 is 6169286631.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 65376 + ... + 83711.

Almost surely, 2^1366829616 is an apocalyptic number.

1366829616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1366829616 is an abundant number, since it is smaller than the sum of its proper divisors (2182657488).

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

1366829616 is a wasteful number, since it uses less digits than its factorization.

1366829616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149289 (or 149283 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 1366829616 is about 36970.6588526631. The cubic root of 1366829616 is about 1109.7831505617.

The spelling of 1366829616 in words is "one billion, three hundred sixty-six million, eight hundred twenty-nine thousand, six hundred sixteen".