106616506 has 4 divisors (see below), whose sum is σ = 159924762. Its totient is φ = 53308252.

The previous prime is 106616491. The next prime is 106616561. The reversal of 106616506 is 605616601.

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., 65464281 + 41152225 = 8091^2 + 6415^2 .

It is a super-2 number, since 2×106616506² = 22734158703296072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26654125 + ... + 26654128.

Almost surely, 2^106616506 is an apocalyptic number.

106616506 is a deficient number, since it is larger than the sum of its proper divisors (53308256).

106616506 is an equidigital number, since it uses as much as digits as its factorization.

106616506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53308255.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 106616506 is about 10325.5269114946. The cubic root of 106616506 is about 474.1780888846.

The spelling of 106616506 in words is "one hundred six million, six hundred sixteen thousand, five hundred six".