66962628802 has 8 divisors (see below), whose sum is σ = 100713231036. Its totient is φ = 33391551792.

The previous prime is 66962628779. The next prime is 66962628847. The reversal of 66962628802 is 20882626966.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64927626481 + 2035002321 = 254809^2 + 45111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 44880373 + ... + 44881864.

Almost surely, 2^66962628802 is an apocalyptic number.

66962628802 is a deficient number, since it is larger than the sum of its proper divisors (33750602234).

66962628802 is a wasteful number, since it uses less digits than its factorization.

66962628802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89762612.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 66962628802 in words is "sixty-six billion, nine hundred sixty-two million, six hundred twenty-eight thousand, eight hundred two".