102454320466 has 16 divisors (see below), whose sum is σ = 155887623000. Its totient is φ = 50492688768.

The previous prime is 102454320457. The next prime is 102454320467. The reversal of 102454320466 is 664023454201.

It can be written as a sum of positive squares in 4 ways, for example, as 102045108025 + 409212441 = 319445^2 + 20229^2 .

It is not an unprimeable number, because it can be changed into a prime (102454320467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 452668.

Almost surely, 2^102454320466 is an apocalyptic number.

102454320466 is a deficient number, since it is larger than the sum of its proper divisors (53433302534).

102454320466 is a wasteful number, since it uses less digits than its factorization.

102454320466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454653.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 102454320466 its reverse (664023454201), we get a palindrome (766477774667).

The spelling of 102454320466 in words is "one hundred two billion, four hundred fifty-four million, three hundred twenty thousand, four hundred sixty-six".