102066196 has 12 divisors (see below), whose sum is σ = 184775220. Its totient is φ = 49273280.

The previous prime is 102066169. The next prime is 102066197. The reversal of 102066196 is 691660201.

It can be written as a sum of positive squares in 2 ways, for example, as 33408400 + 68657796 = 5780^2 + 8286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102066197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439825 + ... + 440056.

It is an arithmetic number, because the mean of its divisors is an integer number (15397935).

Almost surely, 2^102066196 is an apocalyptic number.

It is an amenable number.

102066196 is a deficient number, since it is larger than the sum of its proper divisors (82709024).

102066196 is a wasteful number, since it uses less digits than its factorization.

102066196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879914 (or 879912 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 102066196 is about 10102.7815971642. The cubic root of 102066196 is about 467.3339259692. Note that the first 3 decimals are identical.

The spelling of 102066196 in words is "one hundred two million, sixty-six thousand, one hundred ninety-six".