102066694 has 8 divisors (see below), whose sum is σ = 158038848. Its totient is φ = 49387080.

The previous prime is 102066659. The next prime is 102066697. The reversal of 102066694 is 496660201.

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

It is a super-2 number, since 2×102066694² = 20835220048179272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102066697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823057 + ... + 823180.

It is an arithmetic number, because the mean of its divisors is an integer number (19754856).

Almost surely, 2^102066694 is an apocalyptic number.

102066694 is a deficient number, since it is larger than the sum of its proper divisors (55972154).

102066694 is a wasteful number, since it uses less digits than its factorization.

102066694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646270.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 102066694 is about 10102.8062438117. The cubic root of 102066694 is about 467.3346860377.

It can be divided in two parts, 10206 and 6694, that added together give a square (16900 = 130²).

The spelling of 102066694 in words is "one hundred two million, sixty-six thousand, six hundred ninety-four".