101066506 has 4 divisors (see below), whose sum is σ = 151599762. Its totient is φ = 50533252.

The previous prime is 101066489. The next prime is 101066507. The reversal of 101066506 is 605660101.

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

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 33744481 = 8205^2 + 5809^2 .

It is not an unprimeable number, because it can be changed into a prime (101066507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25266625 + ... + 25266628.

Almost surely, 2^101066506 is an apocalyptic number.

101066506 is a deficient number, since it is larger than the sum of its proper divisors (50533256).

101066506 is an equidigital number, since it uses as much as digits as its factorization.

101066506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50533255.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 101066506 is about 10053.1838737785. The cubic root of 101066506 is about 465.8031458690.

The spelling of 101066506 in words is "one hundred one million, sixty-six thousand, five hundred six".