664677625102214 has 16 divisors (see below), whose sum is σ = 1068383312358768. Its totient is φ = 309020922796032.

The previous prime is 664677625102091. The next prime is 664677625102273. The reversal of 664677625102214 is 412201526776466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117767117147 + ... + 117767122790.

It is an arithmetic number, because the mean of its divisors is an integer number (66773957022423).

Almost surely, 2^{664677625102214} is an apocalyptic number.

664677625102214 is a deficient number, since it is larger than the sum of its proper divisors (403705687256554).

664677625102214 is a wasteful number, since it uses less digits than its factorization.

664677625102214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235534240039.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 664677625102214 in words is "six hundred sixty-four trillion, six hundred seventy-seven billion, six hundred twenty-five million, one hundred two thousand, two hundred fourteen".