66954087260 has 12 divisors (see below), whose sum is σ = 140603583288. Its totient is φ = 26781634896.

The previous prime is 66954087253. The next prime is 66954087287. The reversal of 66954087260 is 6278045966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673852162 + ... + 1673852201.

It is an arithmetic number, because the mean of its divisors is an integer number (11716965274).

Almost surely, 2^66954087260 is an apocalyptic number.

It is an amenable number.

66954087260 is an abundant number, since it is smaller than the sum of its proper divisors (73649496028).

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

66954087260 is a wasteful number, since it uses less digits than its factorization.

66954087260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347704372 (or 3347704370 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 66954087260 in words is "sixty-six billion, nine hundred fifty-four million, eighty-seven thousand, two hundred sixty".