102066506 has 16 divisors (see below), whose sum is σ = 154604808. Its totient is φ = 50534400.

The previous prime is 102066491. The next prime is 102066529. The reversal of 102066506 is 605660201.

It can be written as a sum of positive squares in 4 ways, for example, as 88190881 + 13875625 = 9391^2 + 3725^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107996 + ... + 108936.

Almost surely, 2^102066506 is an apocalyptic number.

102066506 is a deficient number, since it is larger than the sum of its proper divisors (52538302).

102066506 is a wasteful number, since it uses less digits than its factorization.

102066506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

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

The square root of 102066506 is about 10102.7969394619. The cubic root of 102066506 is about 467.3343991045.

The spelling of 102066506 in words is "one hundred two million, sixty-six thousand, five hundred six".