66057221070002 has 8 divisors (see below), whose sum is σ = 99500416675200. Its totient is φ = 32890415511604.

The previous prime is 66057221069969. The next prime is 66057221070013. The reversal of 66057221070002 is 20007012275066.

It is a happy number.

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

It is a super-2 number, since 2×66057221070002² (a number of 28 digits) contains 22 as substring.

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, 69097511102 + ... + 69097512057.

It is an arithmetic number, because the mean of its divisors is an integer number (12437552084400).

Almost surely, 2^{66057221070002} is an apocalyptic number.

66057221070002 is a deficient number, since it is larger than the sum of its proper divisors (33443195605198).

66057221070002 is a wasteful number, since it uses less digits than its factorization.

66057221070002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138195023400.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 66057221070002 in words is "sixty-six trillion, fifty-seven billion, two hundred twenty-one million, seventy thousand, two".