645066211014 has 12 divisors (see below), whose sum is σ = 1397643457236. Its totient is φ = 215022070332.

The previous prime is 645066211001. The next prime is 645066211033. The reversal of 645066211014 is 410112660546.

645066211014 is a `hidden beast` number, since 6 + 4 + 5 + 0 + 6 + 621 + 10 + 14 = 666.

645066211014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×645066211014² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 645066211014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17918505844 + ... + 17918505879.

It is an arithmetic number, because the mean of its divisors is an integer number (116470288103).

Almost surely, 2^645066211014 is an apocalyptic number.

645066211014 is an abundant number, since it is smaller than the sum of its proper divisors (752577246222).

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

645066211014 is a wasteful number, since it uses less digits than its factorization.

645066211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35837011731 (or 35837011728 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 645066211014 in words is "six hundred forty-five billion, sixty-six million, two hundred eleven thousand, fourteen".