66208130352 has 160 divisors (see below), whose sum is σ = 233897807360. Its totient is φ = 17461474560.

The previous prime is 66208130279. The next prime is 66208130383. The reversal of 66208130352 is 25303180266.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802774 + ... + 881397.

It is an arithmetic number, because the mean of its divisors is an integer number (1461861296).

Almost surely, 2^66208130352 is an apocalyptic number.

It is an amenable number.

66208130352 is an abundant number, since it is smaller than the sum of its proper divisors (167689677008).

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

66208130352 is a wasteful number, since it uses less digits than its factorization.

66208130352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684208 (or 1684196 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 66208130352 in words is "sixty-six billion, two hundred eight million, one hundred thirty thousand, three hundred fifty-two".