667720610470362 has 16 divisors (see below), whose sum is σ = 1378519970003712. Its totient is φ = 215393745312960.

The previous prime is 667720610470349. The next prime is 667720610470369. The reversal of 667720610470362 is 263074016027766.

It is a super-2 number, since 2×667720610470362² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667720610470369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794947877423 + ... + 1794947877794.

It is an arithmetic number, because the mean of its divisors is an integer number (86157498125232).

Almost surely, 2^{667720610470362} is an apocalyptic number.

667720610470362 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

667720610470362 is an abundant number, since it is smaller than the sum of its proper divisors (710799359533350).

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

667720610470362 is a wasteful number, since it uses less digits than its factorization.

667720610470362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589895755253.

The product of its (nonzero) digits is 21337344, while the sum is 57.

The spelling of 667720610470362 in words is "six hundred sixty-seven trillion, seven hundred twenty billion, six hundred ten million, four hundred seventy thousand, three hundred sixty-two".