1366051530 has 32 divisors (see below), whose sum is σ = 3358490688. Its totient is φ = 355395200.

The previous prime is 1366051517. The next prime is 1366051537. The reversal of 1366051530 is 351506631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1366051537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554076 + ... + 556535.

It is an arithmetic number, because the mean of its divisors is an integer number (104952834).

Almost surely, 2^1366051530 is an apocalyptic number.

1366051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366051530 is an abundant number, since it is smaller than the sum of its proper divisors (1992439158).

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

1366051530 is a wasteful number, since it uses less digits than its factorization.

1366051530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110662.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1366051530 is about 36960.1343341715. The cubic root of 1366051530 is about 1109.5725242997.

The spelling of 1366051530 in words is "one billion, three hundred sixty-six million, fifty-one thousand, five hundred thirty".