662056837836121 has 64 divisors (see below), whose sum is σ = 865873251532800. Its totient is φ = 491241702306816.

The previous prime is 662056837836077. The next prime is 662056837836131. The reversal of 662056837836121 is 121638738650266.

It is a cyclic number.

It is not a de Polignac number, because 662056837836121 - 2¹⁷ = 662056837705049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662056837836131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 603210240 + ... + 604306798.

It is an arithmetic number, because the mean of its divisors is an integer number (13529269555200).

Almost surely, 2^{662056837836121} is an apocalyptic number.

It is an amenable number.

662056837836121 is a deficient number, since it is larger than the sum of its proper divisors (203816413696679).

662056837836121 is a wasteful number, since it uses less digits than its factorization.

662056837836121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097998.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 662056837836121 in words is "six hundred sixty-two trillion, fifty-six billion, eight hundred thirty-seven million, eight hundred thirty-six thousand, one hundred twenty-one".