662116506285 has 64 divisors (see below), whose sum is σ = 1191677760000. Its totient is φ = 311669019648.

The previous prime is 662116506283. The next prime is 662116506299. The reversal of 662116506285 is 582605611266.

It is not a de Polignac number, because 662116506285 - 2¹ = 662116506283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662116506283) 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, 14091 + ... + 1150839.

It is an arithmetic number, because the mean of its divisors is an integer number (18619965000).

Almost surely, 2^662116506285 is an apocalyptic number.

662116506285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

662116506285 is a deficient number, since it is larger than the sum of its proper divisors (529561253715).

662116506285 is a wasteful number, since it uses less digits than its factorization.

662116506285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136902.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 662116506285 in words is "six hundred sixty-two billion, one hundred sixteen million, five hundred six thousand, two hundred eighty-five".