655815200070 has 64 divisors (see below), whose sum is σ = 1666736580096. Its totient is φ = 164577553920.

The previous prime is 655815200041. The next prime is 655815200071. The reversal of 655815200070 is 70002518556.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655815200071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4584325 + ... + 4725215.

It is an arithmetic number, because the mean of its divisors is an integer number (26042759064).

Almost surely, 2^655815200070 is an apocalyptic number.

655815200070 is an abundant number, since it is smaller than the sum of its proper divisors (1010921380026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655815200070 is a wasteful number, since it uses less digits than its factorization.

655815200070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150045.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 655815200070 in words is "six hundred fifty-five billion, eight hundred fifteen million, two hundred thousand, seventy".