1618348134956 has 48 divisors (see below), whose sum is σ = 3245359279680. Its totient is φ = 691723361280.

The previous prime is 1618348134911. The next prime is 1618348134959. The reversal of 1618348134956 is 6594318438161.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1618348134895 and 1618348134904.

It is not an unprimeable number, because it can be changed into a prime (1618348134959) 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, 20383496 + ... + 20462736.

It is an arithmetic number, because the mean of its divisors is an integer number (67611651660).

Almost surely, 2^{1618348134956} is an apocalyptic number.

It is an amenable number.

1618348134956 is an abundant number, since it is smaller than the sum of its proper divisors (1627011144724).

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

1618348134956 is a wasteful number, since it uses less digits than its factorization.

1618348134956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81194 (or 81192 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 1618348134956 in words is "one trillion, six hundred eighteen billion, three hundred forty-eight million, one hundred thirty-four thousand, nine hundred fifty-six".