662585261455606 has 4 divisors (see below), whose sum is σ = 993877892183412. Its totient is φ = 331292630727802.

The previous prime is 662585261455589. The next prime is 662585261455609. The reversal of 662585261455606 is 606554162585266.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662585261455609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165646315363900 + ... + 165646315363903.

It is an arithmetic number, because the mean of its divisors is an integer number (248469473045853).

Almost surely, 2^{662585261455606} is an apocalyptic number.

662585261455606 is a deficient number, since it is larger than the sum of its proper divisors (331292630727806).

662585261455606 is a wasteful number, since it uses less digits than its factorization.

662585261455606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331292630727805.

The product of its (nonzero) digits is 622080000, while the sum is 67.

The spelling of 662585261455606 in words is "six hundred sixty-two trillion, five hundred eighty-five billion, two hundred sixty-one million, four hundred fifty-five thousand, six hundred six".