102451666 has 8 divisors (see below), whose sum is σ = 153722880. Its totient is φ = 51210708.

The previous prime is 102451663. The next prime is 102451669. The reversal of 102451666 is 666154201.

It is an interprime number because it is at equal distance from previous prime (102451663) and next prime (102451669).

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

It is not an unprimeable number, because it can be changed into a prime (102451663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5235 + ... + 15241.

It is an arithmetic number, because the mean of its divisors is an integer number (19215360).

Almost surely, 2^102451666 is an apocalyptic number.

102451666 is a deficient number, since it is larger than the sum of its proper divisors (51271214).

102451666 is a wasteful number, since it uses less digits than its factorization.

102451666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 102451666 is about 10121.8410380721. The cubic root of 102451666 is about 467.9215083743.

It can be divided in two parts, 10245 and 1666, that added together give a palindrome (11911).

The spelling of 102451666 in words is "one hundred two million, four hundred fifty-one thousand, six hundred sixty-six".