618101932 has 48 divisors (see below), whose sum is σ = 1282111488. Its totient is φ = 255144960.

The previous prime is 618101927. The next prime is 618101933. The reversal of 618101932 is 239101816.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 618101894 and 618101903.

It is not an unprimeable number, because it can be changed into a prime (618101933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195468 + ... + 198604.

It is an arithmetic number, because the mean of its divisors is an integer number (26710656).

Almost surely, 2^618101932 is an apocalyptic number.

618101932 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618101932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641055744).

618101932 is an abundant number, since it is smaller than the sum of its proper divisors (664009556).

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

618101932 is a wasteful number, since it uses less digits than its factorization.

618101932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 618101932 is about 24861.6558579673. The cubic root of 618101932 is about 851.8308549880.

The spelling of 618101932 in words is "six hundred eighteen million, one hundred one thousand, nine hundred thirty-two".