2066515453660 has 48 divisors (see below), whose sum is σ = 5029491156480. Its totient is φ = 698540431680.

The previous prime is 2066515453573. The next prime is 2066515453661. The reversal of 2066515453660 is 663545156602.

It is a super-2 number, since 2×2066515453660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066515453661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103939530 + ... + 103959409.

It is an arithmetic number, because the mean of its divisors is an integer number (104781065760).

Almost surely, 2^{2066515453660} is an apocalyptic number.

2066515453660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066515453660 is an abundant number, since it is smaller than the sum of its proper divisors (2962975702820).

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

2066515453660 is a wasteful number, since it uses less digits than its factorization.

2066515453660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207899026 (or 207899024 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 2066515453660 in words is "two trillion, sixty-six billion, five hundred fifteen million, four hundred fifty-three thousand, six hundred sixty".