664482511803 has 8 divisors (see below), whose sum is σ = 966520017216. Its totient is φ = 402716673800.

The previous prime is 664482511789. The next prime is 664482511829. The reversal of 664482511803 is 308115284466.

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 664482511803 - 2⁶ = 664482511739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664482512803) 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, 10067916813 + ... + 10067916878.

It is an arithmetic number, because the mean of its divisors is an integer number (120815002152).

Almost surely, 2^664482511803 is an apocalyptic number.

664482511803 is a deficient number, since it is larger than the sum of its proper divisors (302037505413).

664482511803 is a wasteful number, since it uses less digits than its factorization.

664482511803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20135833705.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 664482511803 in words is "six hundred sixty-four billion, four hundred eighty-two million, five hundred eleven thousand, eight hundred three".