102053451406066 has 4 divisors (see below), whose sum is σ = 153080177109102. Its totient is φ = 51026725703032.

The previous prime is 102053451405973. The next prime is 102053451406091. The reversal of 102053451406066 is 660604154350201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 91331566130025 + 10721885276041 = 9556755^2 + 3274429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25513362851515 + ... + 25513362851518.

Almost surely, 2^{102053451406066} is an apocalyptic number.

102053451406066 is a deficient number, since it is larger than the sum of its proper divisors (51026725703036).

102053451406066 is an equidigital number, since it uses as much as digits as its factorization.

102053451406066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51026725703035.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 102053451406066 in words is "one hundred two trillion, fifty-three billion, four hundred fifty-one million, four hundred six thousand, sixty-six".