101666461 has 8 divisors (see below), whose sum is σ = 109575200. Its totient is φ = 93770352.

The previous prime is 101666441. The next prime is 101666483. The reversal of 101666461 is 164666101.

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

It is not a de Polignac number, because 101666461 - 2⁷ = 101666333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101666401) 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, 19786 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (13696900).

Almost surely, 2^101666461 is an apocalyptic number.

It is an amenable number.

101666461 is a deficient number, since it is larger than the sum of its proper divisors (7908739).

101666461 is a wasteful number, since it uses less digits than its factorization.

101666461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 101666461 is about 10082.9787761356. The cubic root of 101666461 is about 466.7230344043.

The spelling of 101666461 in words is "one hundred one million, six hundred sixty-six thousand, four hundred sixty-one".