66305062061436 has 36 divisors (see below), whose sum is σ = 170055131626856. Its totient is φ = 20092443048480.

The previous prime is 66305062061393. The next prime is 66305062061453. The reversal of 66305062061436 is 63416026050366.

It is a super-2 number, since 2×66305062061436² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22832320195 + ... + 22832323098.

Almost surely, 2^{66305062061436} is an apocalyptic number.

66305062061436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

66305062061436 is an abundant number, since it is smaller than the sum of its proper divisors (103750069565420).

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

66305062061436 is a wasteful number, since it uses less digits than its factorization.

66305062061436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45664643322 (or 45664643309 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 66305062061436 in words is "sixty-six trillion, three hundred five billion, sixty-two million, sixty-one thousand, four hundred thirty-six".