660516256336622 has 32 divisors (see below), whose sum is σ = 1198924353315072. Its totient is φ = 266425816420224.

The previous prime is 660516256336603. The next prime is 660516256336649. The reversal of 660516256336622 is 226633652615066.

It is a super-2 number, since 2×660516256336622² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67494593 + ... + 76658675.

It is an arithmetic number, because the mean of its divisors is an integer number (37466386041096).

Almost surely, 2^{660516256336622} is an apocalyptic number.

660516256336622 is a deficient number, since it is larger than the sum of its proper divisors (538408096978450).

660516256336622 is a wasteful number, since it uses less digits than its factorization.

660516256336622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466952.

The product of its (nonzero) digits is 83980800, while the sum is 59.

The spelling of 660516256336622 in words is "six hundred sixty trillion, five hundred sixteen billion, two hundred fifty-six million, three hundred thirty-six thousand, six hundred twenty-two".