660570070 has 16 divisors (see below), whose sum is σ = 1189805760. Its totient is φ = 264054784.

The previous prime is 660570059. The next prime is 660570083. The reversal of 660570070 is 70075066.

It is a super-3 number, since 3×660570070³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5035 + ... + 36694.

It is an arithmetic number, because the mean of its divisors is an integer number (74362860).

Almost surely, 2^660570070 is an apocalyptic number.

660570070 is a deficient number, since it is larger than the sum of its proper divisors (529235690).

660570070 is a wasteful number, since it uses less digits than its factorization.

660570070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43319.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 660570070 is about 25701.5577348923. The cubic root of 660570070 is about 870.9093719511.

The spelling of 660570070 in words is "six hundred sixty million, five hundred seventy thousand, seventy".