1166403061026 has 96 divisors (see below), whose sum is σ = 2982519745920. Its totient is φ = 322521357312.

The previous prime is 1166403060929. The next prime is 1166403061063. The reversal of 1166403061026 is 6201603046611.

It is a happy number.

1166403061026 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 4 + 0 + 30 + 610 + 2 + 6 = 666.

It is a super-2 number, since 2×1166403061026² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396975 + ... + 1578098.

It is an arithmetic number, because the mean of its divisors is an integer number (31067914020).

Almost surely, 2^{1166403061026} is an apocalyptic number.

1166403061026 is an abundant number, since it is smaller than the sum of its proper divisors (1816116684894).

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

1166403061026 is a wasteful number, since it uses less digits than its factorization.

1166403061026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975240 (or 1975237 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 1166403061026 in words is "one trillion, one hundred sixty-six billion, four hundred three million, sixty-one thousand, twenty-six".