662161003405 has 16 divisors (see below), whose sum is σ = 866857624704. Its totient is φ = 481555708480.

The previous prime is 662161003393. The next prime is 662161003411. The reversal of 662161003405 is 504300161266.

It is not a de Polignac number, because 662161003405 - 2¹⁹ = 662160479117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629984 + ... + 1995286.

It is an arithmetic number, because the mean of its divisors is an integer number (54178601544).

Almost surely, 2^662161003405 is an apocalyptic number.

It is an amenable number.

662161003405 is a deficient number, since it is larger than the sum of its proper divisors (204696621299).

662161003405 is a wasteful number, since it uses less digits than its factorization.

662161003405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398276.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 662161003405 in words is "six hundred sixty-two billion, one hundred sixty-one million, three thousand, four hundred five".