1415957786668 has 24 divisors (see below), whose sum is σ = 2485035000000. Its totient is φ = 705948342528.

The previous prime is 1415957786641. The next prime is 1415957786671. The reversal of 1415957786668 is 8666877595141.

It is a self number, because there is not a number n which added to its sum of digits gives 1415957786668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10722708 + ... + 10853956.

It is an arithmetic number, because the mean of its divisors is an integer number (103543125000).

Almost surely, 2^{1415957786668} is an apocalyptic number.

It is an amenable number.

1415957786668 is a deficient number, since it is larger than the sum of its proper divisors (1069077213332).

1415957786668 is a wasteful number, since it uses less digits than its factorization.

1415957786668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138969 (or 138967 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 73.

The spelling of 1415957786668 in words is "one trillion, four hundred fifteen billion, nine hundred fifty-seven million, seven hundred eighty-six thousand, six hundred sixty-eight".