661075003006 has 16 divisors (see below), whose sum is σ = 1083980384640. Its totient is φ = 299871613080.

The previous prime is 661075002983. The next prime is 661075003021. The reversal of 661075003006 is 600300570166.

It is a happy number.

661075003006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30840276 + ... + 30861703.

It is an arithmetic number, because the mean of its divisors is an integer number (67748774040).

Almost surely, 2^661075003006 is an apocalyptic number.

661075003006 is a deficient number, since it is larger than the sum of its proper divisors (422905381634).

661075003006 is a wasteful number, since it uses less digits than its factorization.

661075003006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61702479.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 661075003006 in words is "six hundred sixty-one billion, seventy-five million, three thousand, six".