66141312622 has 64 divisors (see below), whose sum is σ = 128774499840. Its totient is φ = 24722006400.

The previous prime is 66141312613. The next prime is 66141312631. The reversal of 66141312622 is 22621314166.

It is an interprime number because it is at equal distance from previous prime (66141312613) and next prime (66141312631).

It is a super-2 number, since 2×66141312622² (a number of 22 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 31 ways as a sum of consecutive naturals, for example, 653997 + ... + 748327.

It is an arithmetic number, because the mean of its divisors is an integer number (2012101560).

Almost surely, 2^66141312622 is an apocalyptic number.

66141312622 is a deficient number, since it is larger than the sum of its proper divisors (62633187218).

66141312622 is a wasteful number, since it uses less digits than its factorization.

66141312622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94537.

The product of its digits is 20736, while the sum is 34.

Adding to 66141312622 its reverse (22621314166), we get a palindrome (88762626788).

The spelling of 66141312622 in words is "sixty-six billion, one hundred forty-one million, three hundred twelve thousand, six hundred twenty-two".