659963907622 has 8 divisors (see below), whose sum is σ = 990086161176. Its totient is φ = 329935187232.

The previous prime is 659963907613. The next prime is 659963907667. The reversal of 659963907622 is 226709369956.

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

It is a super-3 number, since 3×659963907622³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

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, 23365648 + ... + 23393875.

It is an arithmetic number, because the mean of its divisors is an integer number (123760770147).

Almost surely, 2^659963907622 is an apocalyptic number.

659963907622 is a deficient number, since it is larger than the sum of its proper divisors (330122253554).

659963907622 is a wasteful number, since it uses less digits than its factorization.

659963907622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46766582.

The product of its (nonzero) digits is 66134880, while the sum is 64.

The spelling of 659963907622 in words is "six hundred fifty-nine billion, nine hundred sixty-three million, nine hundred seven thousand, six hundred twenty-two".