101766641 has 8 divisors (see below), whose sum is σ = 113424480. Its totient is φ = 90739008.

The previous prime is 101766631. The next prime is 101766647. The reversal of 101766641 is 146667101.

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 a de Polignac number, because none of the positive numbers 2^k-101766641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101766598 and 101766607.

It is not an unprimeable number, because it can be changed into a prime (101766647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157211 + ... + 157856.

It is an arithmetic number, because the mean of its divisors is an integer number (14178060).

Almost surely, 2^101766641 is an apocalyptic number.

It is an amenable number.

101766641 is a deficient number, since it is larger than the sum of its proper divisors (11657839).

101766641 is a wasteful number, since it uses less digits than its factorization.

101766641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315103.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 101766641 is about 10087.9453309383. The cubic root of 101766641 is about 466.8762837780.

The spelling of 101766641 in words is "one hundred one million, seven hundred sixty-six thousand, six hundred forty-one".