662456355406 has 4 divisors (see below), whose sum is σ = 993684533112. Its totient is φ = 331228177702.

The previous prime is 662456355383. The next prime is 662456355503. The reversal of 662456355406 is 604553654266.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165614088850 + ... + 165614088853.

It is an arithmetic number, because the mean of its divisors is an integer number (248421133278).

Almost surely, 2^662456355406 is an apocalyptic number.

662456355406 is a deficient number, since it is larger than the sum of its proper divisors (331228177706).

662456355406 is a wasteful number, since it uses less digits than its factorization.

662456355406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331228177705.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 662456355406 in words is "six hundred sixty-two billion, four hundred fifty-six million, three hundred fifty-five thousand, four hundred six".