100466861 has 4 divisors (see below), whose sum is σ = 109600224. Its totient is φ = 91333500.

The previous prime is 100466827. The next prime is 100466867. The reversal of 100466861 is 168664001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100466861 - 2⁶ = 100466797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100466867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566665 + ... + 4566686.

It is an arithmetic number, because the mean of its divisors is an integer number (27400056).

Almost surely, 2^100466861 is an apocalyptic number.

100466861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100466861 is a deficient number, since it is larger than the sum of its proper divisors (9133363).

100466861 is an equidigital number, since it uses as much as digits as its factorization.

100466861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133362.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 100466861 is about 10023.3158685138. The cubic root of 100466861 is about 464.8800877837.

The spelling of 100466861 in words is "one hundred million, four hundred sixty-six thousand, eight hundred sixty-one".