101556066 has 8 divisors (see below), whose sum is σ = 203112144. Its totient is φ = 33852020.

The previous prime is 101556053. The next prime is 101556071. The reversal of 101556066 is 660655101.

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

101556066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8463000 + ... + 8463011.

It is an arithmetic number, because the mean of its divisors is an integer number (25389018).

Almost surely, 2^101556066 is an apocalyptic number.

101556066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101556066 is a wasteful number, since it uses less digits than its factorization.

101556066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16926016.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 101556066 is about 10077.5029645245. The cubic root of 101556066 is about 466.5540420959.

It can be divided in two parts, 10155606 and 6, that multiplied together give a square (60933636 = 7806²).

The spelling of 101556066 in words is "one hundred one million, five hundred fifty-six thousand, sixty-six".