66132750246 has 16 divisors (see below), whose sum is σ = 132688077744. Its totient is φ = 21973820544.

The previous prime is 66132750217. The next prime is 66132750263. The reversal of 66132750246 is 64205723166.

It is a junction number, because it is equal to n+sod(n) for n = 66132750198 and 66132750207.

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, 17605351 + ... + 17609106.

It is an arithmetic number, because the mean of its divisors is an integer number (8293004859).

Almost surely, 2^66132750246 is an apocalyptic number.

66132750246 is an abundant number, since it is smaller than the sum of its proper divisors (66555327498).

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

66132750246 is a wasteful number, since it uses less digits than its factorization.

66132750246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35214775.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 66132750246 in words is "sixty-six billion, one hundred thirty-two million, seven hundred fifty thousand, two hundred forty-six".