1268701653660 has 96 divisors (see below), whose sum is σ = 4154260357632. Its totient is φ = 283245016320.

The previous prime is 1268701653641. The next prime is 1268701653679. The reversal of 1268701653660 is 663561078621.

It is an interprime number because it is at equal distance from previous prime (1268701653641) and next prime (1268701653679).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35106571 + ... + 35142690.

It is an arithmetic number, because the mean of its divisors is an integer number (43273545392).

Almost surely, 2^{1268701653660} is an apocalyptic number.

1268701653660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268701653660 is an abundant number, since it is smaller than the sum of its proper divisors (2885558703972).

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

1268701653660 is a wasteful number, since it uses less digits than its factorization.

1268701653660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70249323 (or 70249321 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 1268701653660 in words is "one trillion, two hundred sixty-eight billion, seven hundred one million, six hundred fifty-three thousand, six hundred sixty".