1336985407668 has 24 divisors (see below), whose sum is σ = 3227206157280. Its totient is φ = 430294154080.

The previous prime is 1336985407661. The next prime is 1336985407699. The reversal of 1336985407668 is 8667045896331.

It is a junction number, because it is equal to n+sod(n) for n = 1336985407599 and 1336985407608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336985407661) 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, 1920955698 + ... + 1920956393.

It is an arithmetic number, because the mean of its divisors is an integer number (134466923220).

Almost surely, 2^{1336985407668} is an apocalyptic number.

It is an amenable number.

1336985407668 is an abundant number, since it is smaller than the sum of its proper divisors (1890220749612).

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

1336985407668 is a wasteful number, since it uses less digits than its factorization.

1336985407668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841912127 (or 3841912125 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 1336985407668 in words is "one trillion, three hundred thirty-six billion, nine hundred eighty-five million, four hundred seven thousand, six hundred sixty-eight".