1818313257070 has 16 divisors (see below), whose sum is σ = 3273191237808. Its totient is φ = 727274775040.

The previous prime is 1818313256971. The next prime is 1818313257073. The reversal of 1818313257070 is 707523138181.

It is a self number, because there is not a number n which added to its sum of digits gives 1818313257070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818313257073) 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, 6164659 + ... + 6452878.

It is an arithmetic number, because the mean of its divisors is an integer number (204574452363).

Almost surely, 2^{1818313257070} is an apocalyptic number.

1818313257070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1818313257070 is a deficient number, since it is larger than the sum of its proper divisors (1454877980738).

1818313257070 is a wasteful number, since it uses less digits than its factorization.

1818313257070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631955.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 1818313257070 in words is "one trillion, eight hundred eighteen billion, three hundred thirteen million, two hundred fifty-seven thousand, seventy".