1618039852 has 24 divisors (see below), whose sum is σ = 3326600592. Its totient is φ = 678897600.

The previous prime is 1618039849. The next prime is 1618039861. The reversal of 1618039852 is 2589308161.

It is a junction number, because it is equal to n+sod(n) for n = 1618039799 and 1618039808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413799 + ... + 1414942.

It is an arithmetic number, because the mean of its divisors is an integer number (138608358).

Almost surely, 2^1618039852 is an apocalyptic number.

It is an amenable number.

1618039852 is an abundant number, since it is smaller than the sum of its proper divisors (1708560740).

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

1618039852 is a wasteful number, since it uses less digits than its factorization.

1618039852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828769 (or 2828767 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1618039852 is about 40224.8660905167. The cubic root of 1618039852 is about 1173.9864147553.

The spelling of 1618039852 in words is "one billion, six hundred eighteen million, thirty-nine thousand, eight hundred fifty-two".