1386699066 has 24 divisors (see below), whose sum is σ = 3055440960. Its totient is φ = 454398216.

The previous prime is 1386699047. The next prime is 1386699073. The reversal of 1386699066 is 6609966831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651810 + ... + 653933.

It is an arithmetic number, because the mean of its divisors is an integer number (127310040).

Almost surely, 2^1386699066 is an apocalyptic number.

1386699066 is an abundant number, since it is smaller than the sum of its proper divisors (1668741894).

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

1386699066 is a wasteful number, since it uses less digits than its factorization.

1386699066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305810 (or 1305807 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 1386699066 is about 37238.4084783440. The cubic root of 1386699066 is about 1115.1348991872.

The spelling of 1386699066 in words is "one billion, three hundred eighty-six million, six hundred ninety-nine thousand, sixty-six".