66461514630222 has 16 divisors (see below), whose sum is σ = 132933519747072. Its totient is φ = 22152089795640.

The previous prime is 66461514630191. The next prime is 66461514630233. The reversal of 66461514630222 is 22203641516466.

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, 437021248 + ... + 437173299.

It is an arithmetic number, because the mean of its divisors is an integer number (8308344984192).

Almost surely, 2^{66461514630222} is an apocalyptic number.

66461514630222 is an abundant number, since it is smaller than the sum of its proper divisors (66472005116850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66461514630222 is a wasteful number, since it uses less digits than its factorization.

66461514630222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874207223.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 66461514630222 in words is "sixty-six trillion, four hundred sixty-one billion, five hundred fourteen million, six hundred thirty thousand, two hundred twenty-two".