1366396630 has 16 divisors (see below), whose sum is σ = 2489148144. Its totient is φ = 539973280.

The previous prime is 1366396621. The next prime is 1366396631. The reversal of 1366396630 is 366936631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366396631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822301 + ... + 823960.

It is an arithmetic number, because the mean of its divisors is an integer number (155571759).

Almost surely, 2^1366396630 is an apocalyptic number.

1366396630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366396630 is a deficient number, since it is larger than the sum of its proper divisors (1122751514).

1366396630 is a wasteful number, since it uses less digits than its factorization.

1366396630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646351.

The product of its (nonzero) digits is 314928, while the sum is 43.

The square root of 1366396630 is about 36964.8025829978. The cubic root of 1366396630 is about 1109.6659520193.

The spelling of 1366396630 in words is "one billion, three hundred sixty-six million, three hundred ninety-six thousand, six hundred thirty".