70210665550 has 24 divisors (see below), whose sum is σ = 138273712416. Its totient is φ = 26432250240.

The previous prime is 70210665521. The next prime is 70210665563. The reversal of 70210665550 is 5556601207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41299542 + ... + 41301241.

It is an arithmetic number, because the mean of its divisors is an integer number (5761404684).

Almost surely, 2^70210665550 is an apocalyptic number.

70210665550 is a deficient number, since it is larger than the sum of its proper divisors (68063046866).

70210665550 is a wasteful number, since it uses less digits than its factorization.

70210665550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82600812 (or 82600807 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 70210665550 in words is "seventy billion, two hundred ten million, six hundred sixty-five thousand, five hundred fifty".