100664043 has 8 divisors (see below), whose sum is σ = 134449728. Its totient is φ = 66993864.

The previous prime is 100664027. The next prime is 100664101. The reversal of 100664043 is 340466001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100664043 - 2⁴ = 100664027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100664023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26821 + ... + 30342.

It is an arithmetic number, because the mean of its divisors is an integer number (16806216).

Almost surely, 2^100664043 is an apocalyptic number.

100664043 is a deficient number, since it is larger than the sum of its proper divisors (33785685).

100664043 is an equidigital number, since it uses as much as digits as its factorization.

100664043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57753.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 100664043 is about 10033.1472131131. The cubic root of 100664043 is about 465.1840224352.

The spelling of 100664043 in words is "one hundred million, six hundred sixty-four thousand, forty-three".