116664001 has 4 divisors (see below), whose sum is σ = 118262212. Its totient is φ = 115065792.

The previous prime is 116663993. The next prime is 116664007. The reversal of 116664001 is 100466611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100982401 + 15681600 = 10049^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 116664001 - 2³ = 116663993 is a prime.

It is a super-2 number, since 2×116664001² = 27220978258656002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116664007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798996 + ... + 799141.

It is an arithmetic number, because the mean of its divisors is an integer number (29565553).

Almost surely, 2^116664001 is an apocalyptic number.

It is an amenable number.

116664001 is a deficient number, since it is larger than the sum of its proper divisors (1598211).

116664001 is an equidigital number, since it uses as much as digits as its factorization.

116664001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598210.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 116664001 is about 10801.1111002526. Note that the first 4 decimals coincide. The cubic root of 116664001 is about 488.6286814136.

The spelling of 116664001 in words is "one hundred sixteen million, six hundred sixty-four thousand, one".