1276168611376 has 20 divisors (see below), whose sum is σ = 2514484765800. Its totient is φ = 627269316992.

The previous prime is 1276168611359. The next prime is 1276168611379. The reversal of 1276168611376 is 6731168616721.

It is a super-2 number, since 2×1276168611376² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1276168611379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675935821 + ... + 675937708.

It is an arithmetic number, because the mean of its divisors is an integer number (125724238290).

Almost surely, 2^{1276168611376} is an apocalyptic number.

1276168611376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1276168611376 is a deficient number, since it is larger than the sum of its proper divisors (1238316154424).

1276168611376 is a wasteful number, since it uses less digits than its factorization.

1276168611376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351873596 (or 1351873590 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The spelling of 1276168611376 in words is "one trillion, two hundred seventy-six billion, one hundred sixty-eight million, six hundred eleven thousand, three hundred seventy-six".