100616969 has 4 divisors (see below), whose sum is σ = 100637460. Its totient is φ = 100596480.

The previous prime is 100616963. The next prime is 100616981. The reversal of 100616969 is 969616001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969616001 = 673 ⋅1440737.

It can be written as a sum of positive squares in 2 ways, for example, as 11560000 + 89056969 = 3400^2 + 9437^2 .

It is a cyclic number.

It is not a de Polignac number, because 100616969 - 2⁴ = 100616953 is a prime.

It is a super-2 number, since 2×100616969² = 20247548901493922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100616963) 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, 1997 + ... + 14325.

It is an arithmetic number, because the mean of its divisors is an integer number (25159365).

Almost surely, 2^100616969 is an apocalyptic number.

It is an amenable number.

100616969 is a deficient number, since it is larger than the sum of its proper divisors (20491).

100616969 is an equidigital number, since it uses as much as digits as its factorization.

100616969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20490.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 100616969 is about 10030.8010148741. The cubic root of 100616969 is about 465.1114990649. Note that the first 3 decimals are identical.

The spelling of 100616969 in words is "one hundred million, six hundred sixteen thousand, nine hundred sixty-nine".