1618992132 has 24 divisors (see below), whose sum is σ = 3811082016. Its totient is φ = 534887808.

The previous prime is 1618992119. The next prime is 1618992139. The reversal of 1618992132 is 2312998161.

It is a super-2 number, since 2×1618992132² = 5242271046955810848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1618992139) 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, 595618 + ... + 598329.

It is an arithmetic number, because the mean of its divisors is an integer number (158795084).

Almost surely, 2^1618992132 is an apocalyptic number.

1618992132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1618992132 is an abundant number, since it is smaller than the sum of its proper divisors (2192089884).

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

1618992132 is a wasteful number, since it uses less digits than its factorization.

1618992132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194067 (or 1194065 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 1618992132 is about 40236.7013061459. The cubic root of 1618992132 is about 1174.2166819583.

The spelling of 1618992132 in words is "one billion, six hundred eighteen million, nine hundred ninety-two thousand, one hundred thirty-two".