1166697040040 has 32 divisors (see below), whose sum is σ = 3000078103680. Its totient is φ = 400010413632.

The previous prime is 1166697040039. The next prime is 1166697040063. The reversal of 1166697040040 is 400407966611.

It is a super-2 number, since 2×1166697040040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166697039973 and 1166697040000.

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, 2083387292 + ... + 2083387851.

It is an arithmetic number, because the mean of its divisors is an integer number (93752440740).

Almost surely, 2^{1166697040040} is an apocalyptic number.

1166697040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166697040040 is an abundant number, since it is smaller than the sum of its proper divisors (1833381063640).

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

1166697040040 is a wasteful number, since it uses less digits than its factorization.

1166697040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166775161 (or 4166775157 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 1166697040040 in words is "one trillion, one hundred sixty-six billion, six hundred ninety-seven million, forty thousand, forty".