66495286352 has 40 divisors (see below), whose sum is σ = 141995828352. Its totient is φ = 29913523200.

The previous prime is 66495286343. The next prime is 66495286357. The reversal of 66495286352 is 25368259466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66495286357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930424 + ... + 1964567.

Almost surely, 2^66495286352 is an apocalyptic number.

It is an amenable number.

66495286352 is an abundant number, since it is smaller than the sum of its proper divisors (75500542000).

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

66495286352 is a wasteful number, since it uses less digits than its factorization.

66495286352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895107 (or 3895101 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 56.

The spelling of 66495286352 in words is "sixty-six billion, four hundred ninety-five million, two hundred eighty-six thousand, three hundred fifty-two".