664402562043001 has 8 divisors (see below), whose sum is σ = 669475078519104. Its totient is φ = 659330056797360.

The previous prime is 664402562042987. The next prime is 664402562043007. The reversal of 664402562043001 is 100340265204466.

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

It is a cyclic number.

It is not a de Polignac number, because 664402562043001 - 2⁷ = 664402562042873 is a prime.

It is a super-4 number, since 4×664402562043001⁴ (a number of 60 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664402562043007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145929076 + ... + 150413098.

It is an arithmetic number, because the mean of its divisors is an integer number (83684384814888).

Almost surely, 2^{664402562043001} is an apocalyptic number.

It is an amenable number.

664402562043001 is a deficient number, since it is larger than the sum of its proper divisors (5072516476103).

664402562043001 is a wasteful number, since it uses less digits than its factorization.

664402562043001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615231.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 664402562043001 in words is "six hundred sixty-four trillion, four hundred two billion, five hundred sixty-two million, forty-three thousand, one".