1618735012 has 6 divisors (see below), whose sum is σ = 2832786278. Its totient is φ = 809367504.

The previous prime is 1618734991. The next prime is 1618735031. The reversal of 1618735012 is 2105378161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1436106816 + 182628196 = 37896^2 + 13514^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202341873 + ... + 202341880.

Almost surely, 2^1618735012 is an apocalyptic number.

It is an amenable number.

1618735012 is a deficient number, since it is larger than the sum of its proper divisors (1214051266).

1618735012 is a wasteful number, since it uses less digits than its factorization.

1618735012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404683757 (or 404683755 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1618735012 is about 40233.5060863455. The cubic root of 1618735012 is about 1174.1545176501.

The spelling of 1618735012 in words is "one billion, six hundred eighteen million, seven hundred thirty-five thousand, twelve".