257116070 has 16 divisors (see below), whose sum is σ = 463220208. Its totient is φ = 102755040.

The previous prime is 257116061. The next prime is 257116073. The reversal of 257116070 is 70611752.

It is a super-2 number, since 2×257116070² = 132217346904489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257116073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 22700.

It is an arithmetic number, because the mean of its divisors is an integer number (28951263).

Almost surely, 2^257116070 is an apocalyptic number.

257116070 is a deficient number, since it is larger than the sum of its proper divisors (206104138).

257116070 is a wasteful number, since it uses less digits than its factorization.

257116070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22855.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 257116070 is about 16034.8392570677. The cubic root of 257116070 is about 635.8818178281.

The spelling of 257116070 in words is "two hundred fifty-seven million, one hundred sixteen thousand, seventy".