66453128310 has 16 divisors (see below), whose sum is σ = 159487508016. Its totient is φ = 17720834208.

The previous prime is 66453128303. The next prime is 66453128341. The reversal of 66453128310 is 1382135466.

It is a super-2 number, since 2×66453128310² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107552109 + ... + 1107552168.

It is an arithmetic number, because the mean of its divisors is an integer number (9967969251).

Almost surely, 2^66453128310 is an apocalyptic number.

66453128310 is an abundant number, since it is smaller than the sum of its proper divisors (93034379706).

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

66453128310 is a wasteful number, since it uses less digits than its factorization.

66453128310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215104287.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 66453128310 in words is "sixty-six billion, four hundred fifty-three million, one hundred twenty-eight thousand, three hundred ten".