101666522 has 16 divisors (see below), whose sum is σ = 155001600. Its totient is φ = 50004240.

The previous prime is 101666507. The next prime is 101666527. The reversal of 101666522 is 225666101.

It is not an unprimeable number, because it can be changed into a prime (101666527) 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, 48104 + ... + 50172.

It is an arithmetic number, because the mean of its divisors is an integer number (9687600).

Almost surely, 2^101666522 is an apocalyptic number.

101666522 is a deficient number, since it is larger than the sum of its proper divisors (53335078).

101666522 is a wasteful number, since it uses less digits than its factorization.

101666522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 101666522 is about 10082.9818010349. The cubic root of 101666522 is about 466.7231277491.

The spelling of 101666522 in words is "one hundred one million, six hundred sixty-six thousand, five hundred twenty-two".