1368466557 has 8 divisors (see below), whose sum is σ = 1824794976. Its totient is φ = 912224592.

The previous prime is 1368466531. The next prime is 1368466579. The reversal of 1368466557 is 7556648631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1368466557 - 2⁸ = 1368466301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368466597) 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, 42463 + ... + 67379.

It is an arithmetic number, because the mean of its divisors is an integer number (228099372).

Almost surely, 2^1368466557 is an apocalyptic number.

It is an amenable number.

1368466557 is a deficient number, since it is larger than the sum of its proper divisors (456328419).

1368466557 is a wasteful number, since it uses less digits than its factorization.

1368466557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43227.

The product of its digits is 3628800, while the sum is 51.

The square root of 1368466557 is about 36992.7906084415. The cubic root of 1368466557 is about 1110.2260062484.

The spelling of 1368466557 in words is "one billion, three hundred sixty-eight million, four hundred sixty-six thousand, five hundred fifty-seven".