201424602462666 has 128 divisors (see below), whose sum is σ = 445183690381056. Its totient is φ = 60251023687680.

The previous prime is 201424602462659. The next prime is 201424602462673. The reversal of 201424602462666 is 666264206424102.

It is an interprime number because it is at equal distance from previous prime (201424602462659) and next prime (201424602462673).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 935893380 + ... + 936108576.

It is an arithmetic number, because the mean of its divisors is an integer number (3477997581102).

Almost surely, 2^{201424602462666} is an apocalyptic number.

201424602462666 is an abundant number, since it is smaller than the sum of its proper divisors (243759087918390).

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

201424602462666 is a wasteful number, since it uses less digits than its factorization.

201424602462666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215976.

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

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

The spelling of 201424602462666 in words is "two hundred one trillion, four hundred twenty-four billion, six hundred two million, four hundred sixty-two thousand, six hundred sixty-six".