70818650318 has 32 divisors (see below), whose sum is σ = 117165073536. Its totient is φ = 31899276288.

The previous prime is 70818650311. The next prime is 70818650323. The reversal of 70818650318 is 81305681807.

It is a happy number.

It is a super-2 number, since 2×70818650318² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70818650311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349280 + ... + 513452.

It is an arithmetic number, because the mean of its divisors is an integer number (3661408548).

Almost surely, 2^70818650318 is an apocalyptic number.

70818650318 is a deficient number, since it is larger than the sum of its proper divisors (46346423218).

70818650318 is a wasteful number, since it uses less digits than its factorization.

70818650318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164588.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 70818650318 in words is "seventy billion, eight hundred eighteen million, six hundred fifty thousand, three hundred eighteen".