100066455 has 16 divisors (see below), whose sum is σ = 177896160. Its totient is φ = 53368704.

The previous prime is 100066441. The next prime is 100066489. The reversal of 100066455 is 554660001.

It is a happy number.

100066455 is a `hidden beast` number, since 10 + 0 + 0 + 6 + 645 + 5 = 666.

It is not a de Polignac number, because 100066455 - 2⁶ = 100066391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370482 + ... + 370751.

It is an arithmetic number, because the mean of its divisors is an integer number (11118510).

Almost surely, 2^100066455 is an apocalyptic number.

100066455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100066455 is a deficient number, since it is larger than the sum of its proper divisors (77829705).

100066455 is an equidigital number, since it uses as much as digits as its factorization.

100066455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741247 (or 741241 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 100066455 is about 10003.3221981500. The cubic root of 100066455 is about 464.2616795222.

It can be divided in two parts, 10006 and 6455, that added together give a palindrome (16461).

The spelling of 100066455 in words is "one hundred million, sixty-six thousand, four hundred fifty-five".