100216661601 has 8 divisors (see below), whose sum is σ = 152711103424. Its totient is φ = 57266663760.

The previous prime is 100216661561. The next prime is 100216661617. The reversal of 100216661601 is 106166612001.

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

It is not a de Polignac number, because 100216661601 - 2¹⁵ = 100216628833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100216661681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386110970 + ... + 2386111011.

It is an arithmetic number, because the mean of its divisors is an integer number (19088887928).

Almost surely, 2^100216661601 is an apocalyptic number.

It is an amenable number.

100216661601 is a deficient number, since it is larger than the sum of its proper divisors (52494441823).

100216661601 is an equidigital number, since it uses as much as digits as its factorization.

100216661601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772221991.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 100216661601 in words is "one hundred billion, two hundred sixteen million, six hundred sixty-one thousand, six hundred one".