100216661501 has 8 divisors (see below), whose sum is σ = 109523552544. Its totient is φ = 90942484720.

The previous prime is 100216661453. The next prime is 100216661539. The reversal of 100216661501 is 105166612001.

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 100216661501 - 2⁶ = 100216661437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100216661561) 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, 8172155 + ... + 8184408.

It is an arithmetic number, because the mean of its divisors is an integer number (13690444068).

Almost surely, 2^100216661501 is an apocalyptic number.

100216661501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100216661501 is a deficient number, since it is larger than the sum of its proper divisors (9306891043).

100216661501 is a wasteful number, since it uses less digits than its factorization.

100216661501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16357131.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 100216661501 in words is "one hundred billion, two hundred sixteen million, six hundred sixty-one thousand, five hundred one".