102066056 has 16 divisors (see below), whose sum is σ = 196042140. Its totient is φ = 49788160.

The previous prime is 102066049. The next prime is 102066059. The reversal of 102066056 is 650660201.

It can be written as a sum of positive squares in 2 ways, for example, as 100200100 + 1865956 = 10010^2 + 1366^2 .

It is not an unprimeable number, because it can be changed into a prime (102066059) 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, 155261 + ... + 155916.

Almost surely, 2^102066056 is an apocalyptic number.

It is an amenable number.

102066056 is a deficient number, since it is larger than the sum of its proper divisors (93976084).

102066056 is a wasteful number, since it uses less digits than its factorization.

102066056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311224 (or 311220 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102066056 is about 10102.7746683770. The cubic root of 102066056 is about 467.3337122949. Note that the first 3 decimals are identical.

It can be divided in two parts, 1020 and 66056, that added together give a palindrome (67076).

The spelling of 102066056 in words is "one hundred two million, sixty-six thousand, fifty-six".