662156160426 has 64 divisors (see below), whose sum is σ = 1558723305600. Its totient is φ = 207640758528.

The previous prime is 662156160401. The next prime is 662156160431. The reversal of 662156160426 is 624061651266.

662156160426 is a `hidden beast` number, since 6 + 6 + 2 + 1 + 5 + 616 + 0 + 4 + 26 = 666.

662156160426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1868565 + ... + 2194503.

It is an arithmetic number, because the mean of its divisors is an integer number (24355051650).

Almost surely, 2^662156160426 is an apocalyptic number.

662156160426 is an abundant number, since it is smaller than the sum of its proper divisors (896567145174).

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

662156160426 is a wasteful number, since it uses less digits than its factorization.

662156160426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328180 (or 328174 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 662156160426 in words is "six hundred sixty-two billion, one hundred fifty-six million, one hundred sixty thousand, four hundred twenty-six".