66425240702 has 16 divisors (see below), whose sum is σ = 103004470800. Its totient is φ = 32105280960.

The previous prime is 66425240699. The next prime is 66425240723. The reversal of 66425240702 is 20704252466.

It is a happy number.

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, 3706952 + ... + 3724827.

It is an arithmetic number, because the mean of its divisors is an integer number (6437779425).

Almost surely, 2^66425240702 is an apocalyptic number.

66425240702 is a deficient number, since it is larger than the sum of its proper divisors (36579230098).

66425240702 is a wasteful number, since it uses less digits than its factorization.

66425240702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431931.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 66425240702 in words is "sixty-six billion, four hundred twenty-five million, two hundred forty thousand, seven hundred two".