101664213 has 8 divisors (see below), whose sum is σ = 154916928. Its totient is φ = 58093824.

The previous prime is 101664203. The next prime is 101664239. The reversal of 101664213 is 312466101.

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

It is not a de Polignac number, because 101664213 - 2⁵ = 101664181 is a prime.

It is a super-2 number, since 2×101664213² = 20671224409818738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101664203) 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, 2420556 + ... + 2420597.

It is an arithmetic number, because the mean of its divisors is an integer number (19364616).

Almost surely, 2^101664213 is an apocalyptic number.

It is an amenable number.

101664213 is a deficient number, since it is larger than the sum of its proper divisors (53252715).

101664213 is an equidigital number, since it uses as much as digits as its factorization.

101664213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841163.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 101664213 is about 10082.8673005252. The cubic root of 101664213 is about 466.7195943937.

The spelling of 101664213 in words is "one hundred one million, six hundred sixty-four thousand, two hundred thirteen".