100166361 has 4 divisors (see below), whose sum is σ = 133555152. Its totient is φ = 66777572.

The previous prime is 100166351. The next prime is 100166387. The reversal of 100166361 is 163661001.

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 100166361 - 2¹¹ = 100164313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100166351) 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, 16694391 + ... + 16694396.

It is an arithmetic number, because the mean of its divisors is an integer number (33388788).

Almost surely, 2^100166361 is an apocalyptic number.

It is an amenable number.

100166361 is a deficient number, since it is larger than the sum of its proper divisors (33388791).

100166361 is an equidigital number, since it uses as much as digits as its factorization.

100166361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33388790.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 100166361 is about 10008.3145933768. The cubic root of 100166361 is about 464.4161338791.

The spelling of 100166361 in words is "one hundred million, one hundred sixty-six thousand, three hundred sixty-one".