100620161 has 8 divisors (see below), whose sum is σ = 106842240. Its totient is φ = 94431808.

The previous prime is 100620133. The next prime is 100620173. The reversal of 100620161 is 161026001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100620161 - 2¹⁰ = 100619137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100620661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 14346.

It is an arithmetic number, because the mean of its divisors is an integer number (13355280).

Almost surely, 2^100620161 is an apocalyptic number.

It is an amenable number.

100620161 is a deficient number, since it is larger than the sum of its proper divisors (6222079).

100620161 is a wasteful number, since it uses less digits than its factorization.

100620161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16863.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 100620161 is about 10030.9601235375. The cubic root of 100620161 is about 465.1164174540.

Adding to 100620161 its reverse (161026001), we get a palindrome (261646162).

The spelling of 100620161 in words is "one hundred million, six hundred twenty thousand, one hundred sixty-one".