70061656225 has 24 divisors (see below), whose sum is σ = 95255474688. Its totient is φ = 50695243200.

The previous prime is 70061656219. The next prime is 70061656271. The reversal of 70061656225 is 52265616007.

It is a de Polignac number, because none of the positive numbers 2^k-70061656225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592449 + ... + 700798.

It is an arithmetic number, because the mean of its divisors is an integer number (3968978112).

Almost surely, 2^70061656225 is an apocalyptic number.

It is an amenable number.

70061656225 is a deficient number, since it is larger than the sum of its proper divisors (25193818463).

70061656225 is a wasteful number, since it uses less digits than its factorization.

70061656225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293465 (or 1293460 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 70061656225 in words is "seventy billion, sixty-one million, six hundred fifty-six thousand, two hundred twenty-five".