1166726067 has 16 divisors (see below), whose sum is σ = 1682263968. Its totient is φ = 715000320.

The previous prime is 1166726039. The next prime is 1166726087. The reversal of 1166726067 is 7606276611.

1166726067 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1166726067 - 2¹⁶ = 1166660531 is a prime.

It is a super-2 number, since 2×1166726067² = 2722499430834576978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166726087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52668 + ... + 71465.

It is an arithmetic number, because the mean of its divisors is an integer number (105141498).

Almost surely, 2^1166726067 is an apocalyptic number.

1166726067 is a deficient number, since it is larger than the sum of its proper divisors (515537901).

1166726067 is a wasteful number, since it uses less digits than its factorization.

1166726067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124390.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1166726067 is about 34157.3720739755. The cubic root of 1166726067 is about 1052.7444656807.

The spelling of 1166726067 in words is "one billion, one hundred sixty-six million, seven hundred twenty-six thousand, sixty-seven".