1816001148 has 24 divisors (see below), whose sum is σ = 4563285328. Its totient is φ = 558769536.

The previous prime is 1816001147. The next prime is 1816001153. The reversal of 1816001148 is 8411006181.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816001147) 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, 5820361 + ... + 5820672.

Almost surely, 2^1816001148 is an apocalyptic number.

It is an amenable number.

1816001148 is an abundant number, since it is smaller than the sum of its proper divisors (2747284180).

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

1816001148 is a wasteful number, since it uses less digits than its factorization.

1816001148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641053 (or 11641051 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 1816001148 is about 42614.5649749003. The cubic root of 1816001148 is about 1220.0342971636.

The spelling of 1816001148 in words is "one billion, eight hundred sixteen million, one thousand, one hundred forty-eight".