101680545 has 8 divisors (see below), whose sum is σ = 162688896. Its totient is φ = 54229616.

The previous prime is 101680543. The next prime is 101680547. The reversal of 101680545 is 545086101.

It is an interprime number because it is at equal distance from previous prime (101680543) and next prime (101680547).

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 101680545 - 2¹ = 101680543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101680543) 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, 3389337 + ... + 3389366.

It is an arithmetic number, because the mean of its divisors is an integer number (20336112).

Almost surely, 2^101680545 is an apocalyptic number.

101680545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101680545 is a deficient number, since it is larger than the sum of its proper divisors (61008351).

101680545 is an equidigital number, since it uses as much as digits as its factorization.

101680545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778711.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 101680545 is about 10083.6771566726. The cubic root of 101680545 is about 466.7445853453.

The spelling of 101680545 in words is "one hundred one million, six hundred eighty thousand, five hundred forty-five".