666772930062 has 32 divisors (see below), whose sum is σ = 1546140130560. Its totient is φ = 212594267160.

The previous prime is 666772930049. The next prime is 666772930069. The reversal of 666772930062 is 260039277666.

It is a super-2 number, since 2×666772930062² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 666772929990 and 666772930008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666772930069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268425864 + ... + 268428347.

It is an arithmetic number, because the mean of its divisors is an integer number (48316879080).

Almost surely, 2^666772930062 is an apocalyptic number.

666772930062 is an abundant number, since it is smaller than the sum of its proper divisors (879367200498).

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

666772930062 is a wasteful number, since it uses less digits than its factorization.

666772930062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536854245 (or 536854239 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 666772930062 in words is "six hundred sixty-six billion, seven hundred seventy-two million, nine hundred thirty thousand, sixty-two".