667107101040 has 80 divisors (see below), whose sum is σ = 2070707921568. Its totient is φ = 177665041408.

The previous prime is 667107100967. The next prime is 667107101051. The reversal of 667107101040 is 40101701766.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 667107100992 and 667107101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612419 + ... + 1983458.

Almost surely, 2^667107101040 is an apocalyptic number.

667107101040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667107101040 is an abundant number, since it is smaller than the sum of its proper divisors (1403600820528).

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

667107101040 is a wasteful number, since it uses less digits than its factorization.

667107101040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596666 (or 3596660 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 667107101040 in words is "six hundred sixty-seven billion, one hundred seven million, one hundred one thousand, forty".