655157070 has 48 divisors (see below), whose sum is σ = 1777475232. Its totient is φ = 167112000.

The previous prime is 655157053. The next prime is 655157071. The reversal of 655157070 is 70751556.

655157070 is a `hidden beast` number, since 6 + 5 + 515 + 70 + 70 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655157071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156181 + ... + 160320.

It is an arithmetic number, because the mean of its divisors is an integer number (37030734).

Almost surely, 2^655157070 is an apocalyptic number.

655157070 is an abundant number, since it is smaller than the sum of its proper divisors (1122318162).

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

655157070 is a wasteful number, since it uses less digits than its factorization.

655157070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316537 (or 316534 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 655157070 is about 25596.0362165707. The cubic root of 655157070 is about 868.5239736333.

The spelling of 655157070 in words is "six hundred fifty-five million, one hundred fifty-seven thousand, seventy".