66202454870 has 32 divisors (see below), whose sum is σ = 125542867680. Its totient is φ = 25065918720.

The previous prime is 66202454863. The next prime is 66202454911. The reversal of 66202454870 is 7845420266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76874 + ... + 371906.

It is an arithmetic number, because the mean of its divisors is an integer number (3923214615).

Almost surely, 2^66202454870 is an apocalyptic number.

66202454870 is a deficient number, since it is larger than the sum of its proper divisors (59340412810).

66202454870 is a wasteful number, since it uses less digits than its factorization.

66202454870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296240.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 66202454870 in words is "sixty-six billion, two hundred two million, four hundred fifty-four thousand, eight hundred seventy".