1606606101 has 12 divisors (see below), whose sum is σ = 2321001228. Its totient is φ = 1070910144.

The previous prime is 1606606037. The next prime is 1606606121. The reversal of 1606606101 is 1016066061.

It can be written as a sum of positive squares in 2 ways, for example, as 645668100 + 960938001 = 25410^2 + 30999^2 .

It is not a de Polignac number, because 1606606101 - 2⁶ = 1606606037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606606121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106441 + ... + 120593.

It is an arithmetic number, because the mean of its divisors is an integer number (193416769).

Almost surely, 2^1606606101 is an apocalyptic number.

It is an amenable number.

1606606101 is a deficient number, since it is larger than the sum of its proper divisors (714395127).

1606606101 is a wasteful number, since it uses less digits than its factorization.

1606606101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26772 (or 26769 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1606606101 is about 40082.4912025188. The cubic root of 1606606101 is about 1171.2145813497.

The spelling of 1606606101 in words is "one billion, six hundred six million, six hundred six thousand, one hundred one".