662166504898 has 4 divisors (see below), whose sum is σ = 993249757350. Its totient is φ = 331083252448.

The previous prime is 662166504799. The next prime is 662166504917. The reversal of 662166504898 is 898405661266.

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

It can be written as a sum of positive squares in only one way, i.e., 497457964249 + 164708540649 = 705307^2 + 405843^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165541626223 + ... + 165541626226.

Almost surely, 2^662166504898 is an apocalyptic number.

662166504898 is a deficient number, since it is larger than the sum of its proper divisors (331083252452).

662166504898 is a wasteful number, since it uses less digits than its factorization.

662166504898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331083252451.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 662166504898 in words is "six hundred sixty-two billion, one hundred sixty-six million, five hundred four thousand, eight hundred ninety-eight".