66126058980 has 24 divisors (see below), whose sum is σ = 185152965312. Its totient is φ = 17633615712.

The previous prime is 66126058949. The next prime is 66126058981. The reversal of 66126058980 is 8985062166.

It is not an unprimeable number, because it can be changed into a prime (66126058981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551050432 + ... + 551050551.

It is an arithmetic number, because the mean of its divisors is an integer number (7714706888).

Almost surely, 2^66126058980 is an apocalyptic number.

66126058980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66126058980 is an abundant number, since it is smaller than the sum of its proper divisors (119026906332).

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

66126058980 is a wasteful number, since it uses less digits than its factorization.

66126058980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102100995 (or 1102100993 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 66126058980 in words is "sixty-six billion, one hundred twenty-six million, fifty-eight thousand, nine hundred eighty".