102051243666534 has 64 divisors (see below), whose sum is σ = 211157529246720. Its totient is φ = 32857745760000.

The previous prime is 102051243666473. The next prime is 102051243666553. The reversal of 102051243666534 is 435666342150201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217884179 + ... + 1217967969.

It is an arithmetic number, because the mean of its divisors is an integer number (3299336394480).

Almost surely, 2^{102051243666534} is an apocalyptic number.

102051243666534 is an abundant number, since it is smaller than the sum of its proper divisors (109106285580186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102051243666534 is a wasteful number, since it uses less digits than its factorization.

102051243666534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132957.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 102051243666534 in words is "one hundred two trillion, fifty-one billion, two hundred forty-three million, six hundred sixty-six thousand, five hundred thirty-four".