666264206424102 has 64 divisors (see below), whose sum is σ = 1565590470151680. Its totient is φ = 186355402502400.

The previous prime is 666264206424101. The next prime is 666264206424133. The reversal of 666264206424102 is 201424602462666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666264206424101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12322527 + ... + 38527562.

It is an arithmetic number, because the mean of its divisors is an integer number (24462351096120).

Almost surely, 2^{666264206424102} is an apocalyptic number.

666264206424102 is an abundant number, since it is smaller than the sum of its proper divisors (899326263727578).

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

666264206424102 is a wasteful number, since it uses less digits than its factorization.

666264206424102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50865389.

The product of its (nonzero) digits is 7962624, while the sum is 51.

Adding to 666264206424102 its reverse (201424602462666), we get a palindrome (867688808886768).

The spelling of 666264206424102 in words is "six hundred sixty-six trillion, two hundred sixty-four billion, two hundred six million, four hundred twenty-four thousand, one hundred two".