1618859046 has 16 divisors (see below), whose sum is σ = 3700249344. Its totient is φ = 462531144.

The previous prime is 1618859041. The next prime is 1618859057. The reversal of 1618859046 is 6409588161.

It is a super-2 number, since 2×1618859046² = 5241409221632060232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1618858986 and 1618859004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618859041) 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, 19272090 + ... + 19272173.

It is an arithmetic number, because the mean of its divisors is an integer number (231265584).

Almost surely, 2^1618859046 is an apocalyptic number.

1618859046 is an abundant number, since it is smaller than the sum of its proper divisors (2081390298).

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

1618859046 is a wasteful number, since it uses less digits than its factorization.

1618859046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38544275.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1618859046 is about 40235.0474835062. The cubic root of 1618859046 is about 1174.1845063678.

The spelling of 1618859046 in words is "one billion, six hundred eighteen million, eight hundred fifty-nine thousand, forty-six".