655620302658070 has 32 divisors (see below), whose sum is σ = 1180695775015008. Its totient is φ = 262119429616128.

The previous prime is 655620302658023. The next prime is 655620302658187. The reversal of 655620302658070 is 70856203026556.

It is a happy number.

It is a super-2 number, since 2×655620302658070² (a number of 30 digits) contains 22 as substring.

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, 197756532 + ... + 201044488.

It is an arithmetic number, because the mean of its divisors is an integer number (36896742969219).

Almost surely, 2^{655620302658070} is an apocalyptic number.

655620302658070 is a deficient number, since it is larger than the sum of its proper divisors (525075472356938).

655620302658070 is a wasteful number, since it uses less digits than its factorization.

655620302658070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297744.

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 655620302658070 in words is "six hundred fifty-five trillion, six hundred twenty billion, three hundred two million, six hundred fifty-eight thousand, seventy".