1366601928 has 16 divisors (see below), whose sum is σ = 3416504880. Its totient is φ = 455533968.

The previous prime is 1366601917. The next prime is 1366601941. The reversal of 1366601928 is 8291066631.

It is a super-2 number, since 2×1366601928² = 3735201659226634368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1366601928.

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 3 ways as a sum of consecutive naturals, for example, 28470850 + ... + 28470897.

It is an arithmetic number, because the mean of its divisors is an integer number (213531555).

Almost surely, 2^1366601928 is an apocalyptic number.

It is an amenable number.

1366601928 is an abundant number, since it is smaller than the sum of its proper divisors (2049902952).

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

1366601928 is a wasteful number, since it uses less digits than its factorization.

1366601928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56941756 (or 56941752 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1366601928 is about 36967.5794176465. The cubic root of 1366601928 is about 1109.7215241685.

The spelling of 1366601928 in words is "one billion, three hundred sixty-six million, six hundred one thousand, nine hundred twenty-eight".