66670700337001 has 4 divisors (see below), whose sum is σ = 66672098064004. Its totient is φ = 66669302610000.

The previous prime is 66670700336993. The next prime is 66670700337023. The reversal of 66670700337001 is 10073300707666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24309347063401 + 42361353273600 = 4930451^2 + 6508560^2 .

It is a cyclic number.

It is not a de Polignac number, because 66670700337001 - 2³ = 66670700336993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66670700338001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698791950 + ... + 698887351.

It is an arithmetic number, because the mean of its divisors is an integer number (16668024516001).

Almost surely, 2^{66670700337001} is an apocalyptic number.

It is an amenable number.

66670700337001 is a deficient number, since it is larger than the sum of its proper divisors (1397727003).

66670700337001 is a wasteful number, since it uses less digits than its factorization.

66670700337001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397727002.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 66670700337001 in words is "sixty-six trillion, six hundred seventy billion, seven hundred million, three hundred thirty-seven thousand, one".